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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v7] mm/memblock: Add memblock_alloc_or_panic interface
Before SLUB initialization, various subsystems used memblock_alloc to allocate memory. In most cases, when memory allocation fails, an immediate panic is required. To simplify this behavior and reduce repetitive checks, introduce `memblock_alloc_or_panic`. This function ensures that memory allocation failures result in a panic automatically, improving code readability and consistency across subsystems that require this behavior. Changelog: ---------- v1: initial version v2: add __memblock_alloc_or_panic support panic output caller v3: panic output phys_addr_t use printk's %pap v4: make __memblock_alloc_or_panic out-of-line, move to memblock.c v6: Fix CI compile error Links to CI: https://lore.kernel.org/oe-kbuild-all/202412221000.r1NzXJUO-lkp@xxxxxxxxx/ v6: Fix CI compile warinigs Links to CI: https://lore.kernel.org/oe-kbuild-all/202412221259.JuGNAUCq-lkp@xxxxxxxxx/ v7: add chagelog and adjust function declaration alignment format ---------- Signed-off-by: Guo Weikang <guoweikang.kernel@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Reviewed-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx> Acked-by: Xi Ruoyao <xry111@xxxxxxxxxxx> --- arch/alpha/kernel/core_cia.c | 5 +- arch/alpha/kernel/core_marvel.c | 10 +--- arch/alpha/kernel/pci.c | 13 +---- arch/alpha/kernel/pci_iommu.c | 10 +--- arch/arm/kernel/setup.c | 10 +--- arch/arm/mm/mmu.c | 17 ++---- arch/arm/mm/nommu.c | 5 +- arch/arm64/kernel/setup.c | 4 +- arch/loongarch/kernel/setup.c | 2 +- arch/loongarch/mm/init.c | 13 ++--- arch/m68k/mm/init.c | 5 +- arch/m68k/mm/mcfmmu.c | 10 +--- arch/m68k/mm/motorola.c | 5 +- arch/m68k/mm/sun3mmu.c | 10 +--- arch/m68k/sun3/sun3dvma.c | 6 +-- arch/mips/kernel/setup.c | 5 +- arch/openrisc/mm/ioremap.c | 5 +- arch/parisc/mm/init.c | 20 ++----- arch/powerpc/kernel/dt_cpu_ftrs.c | 10 ++-- arch/powerpc/kernel/pci_32.c | 5 +- arch/powerpc/kernel/setup-common.c | 5 +- arch/powerpc/kernel/setup_32.c | 8 +-- arch/powerpc/mm/book3s32/mmu.c | 5 +- arch/powerpc/mm/book3s64/pgtable.c | 6 +-- arch/powerpc/mm/kasan/init_book3e_64.c | 8 +-- arch/powerpc/mm/kasan/init_book3s_64.c | 2 +- arch/powerpc/mm/nohash/mmu_context.c | 16 ++---- arch/powerpc/mm/pgtable_32.c | 7 +-- arch/powerpc/platforms/powermac/nvram.c | 5 +- arch/powerpc/platforms/powernv/opal.c | 5 +- arch/powerpc/platforms/ps3/setup.c | 5 +- arch/powerpc/sysdev/msi_bitmap.c | 5 +- arch/riscv/kernel/setup.c | 4 +- arch/riscv/mm/kasan_init.c | 14 ++--- arch/s390/kernel/numa.c | 5 +- arch/s390/kernel/setup.c | 20 ++----- arch/s390/kernel/smp.c | 9 ++-- arch/s390/kernel/topology.c | 10 +--- arch/sh/mm/init.c | 10 +--- arch/sparc/kernel/prom_32.c | 4 +- arch/sparc/mm/srmmu.c | 14 ++--- arch/um/drivers/net_kern.c | 5 +- arch/um/drivers/vector_kern.c | 5 +- arch/um/kernel/load_file.c | 4 +- arch/x86/coco/sev/core.c | 4 +- arch/x86/kernel/acpi/boot.c | 5 +- arch/x86/kernel/apic/io_apic.c | 9 +--- arch/x86/kernel/e820.c | 5 +- arch/x86/platform/olpc/olpc_dt.c | 6 +-- arch/x86/xen/p2m.c | 8 +-- arch/xtensa/mm/kasan_init.c | 6 +-- drivers/clk/ti/clk.c | 5 +- drivers/macintosh/smu.c | 6 +-- drivers/of/fdt.c | 8 +-- drivers/of/unittest.c | 8 +-- include/linux/memblock.h | 6 +++ init/main.c | 18 ++----- kernel/power/snapshot.c | 5 +- lib/cpumask.c | 5 +- mm/kmsan/shadow.c | 8 +-- mm/memblock.c | 20 +++++++ mm/numa.c | 8 +-- mm/percpu.c | 70 +++++-------------------- mm/sparse.c | 5 +- 64 files changed, 143 insertions(+), 423 deletions(-) diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c index ca3d9c732b61..6e577228e175 100644 --- a/arch/alpha/kernel/core_cia.c +++ b/arch/alpha/kernel/core_cia.c @@ -331,10 +331,7 @@ cia_prepare_tbia_workaround(int window) long i; /* Use minimal 1K map. */ - ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768); - if (!ppte) - panic("%s: Failed to allocate %u bytes align=0x%x\n", - __func__, CIA_BROKEN_TBIA_SIZE, 32768); + ppte = memblock_alloc_or_panic(CIA_BROKEN_TBIA_SIZE, 32768); pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1; for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i) diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index b22248044bf0..b1bfbd11980d 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -81,10 +81,7 @@ mk_resource_name(int pe, int port, char *str) char *name; sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port); - name = memblock_alloc(strlen(tmp) + 1, SMP_CACHE_BYTES); - if (!name) - panic("%s: Failed to allocate %zu bytes\n", __func__, - strlen(tmp) + 1); + name = memblock_alloc_or_panic(strlen(tmp) + 1, SMP_CACHE_BYTES); strcpy(name, tmp); return name; @@ -119,10 +116,7 @@ alloc_io7(unsigned int pe) return NULL; } - io7 = memblock_alloc(sizeof(*io7), SMP_CACHE_BYTES); - if (!io7) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*io7)); + io7 = memblock_alloc_or_panic(sizeof(*io7), SMP_CACHE_BYTES); io7->pe = pe; raw_spin_lock_init(&io7->irq_lock); diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 4458eb7f44f0..8e9b4ac86b7e 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -391,10 +391,7 @@ alloc_pci_controller(void) { struct pci_controller *hose; - hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); - if (!hose) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*hose)); + hose = memblock_alloc_or_panic(sizeof(*hose), SMP_CACHE_BYTES); *hose_tail = hose; hose_tail = &hose->next; @@ -405,13 +402,7 @@ alloc_pci_controller(void) struct resource * __init alloc_resource(void) { - void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); - - if (!ptr) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct resource)); - - return ptr; + return memblock_alloc_or_panic(sizeof(struct resource), SMP_CACHE_BYTES); } diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 7fcf3e9b7103..681f56089d9c 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -71,14 +71,8 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, if (align < mem_size) align = mem_size; - arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); - if (!arena) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*arena)); - arena->ptes = memblock_alloc(mem_size, align); - if (!arena->ptes) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, mem_size, align); + arena = memblock_alloc_or_panic(sizeof(*arena), SMP_CACHE_BYTES); + arena->ptes = memblock_alloc_or_panic(mem_size, align); spin_lock_init(&arena->lock); arena->hose = hose; diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index e6a857bf0ce6..a41c93988d2c 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -880,10 +880,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) */ boot_alias_start = phys_to_idmap(start); if (arm_has_idmap_alias() && boot_alias_start != IDMAP_INVALID_ADDR) { - res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); - if (!res) - panic("%s: Failed to allocate %zu bytes\n", - __func__, sizeof(*res)); + res = memblock_alloc_or_panic(sizeof(*res), SMP_CACHE_BYTES); res->name = "System RAM (boot alias)"; res->start = boot_alias_start; res->end = phys_to_idmap(res_end); @@ -891,10 +888,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) request_resource(&iomem_resource, res); } - res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); - if (!res) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*res)); + res = memblock_alloc_or_panic(sizeof(*res), SMP_CACHE_BYTES); res->name = "System RAM"; res->start = start; res->end = res_end; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index f5b7a16c5803..f02f872ea8a9 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -726,13 +726,8 @@ EXPORT_SYMBOL(phys_mem_access_prot); static void __init *early_alloc(unsigned long sz) { - void *ptr = memblock_alloc(sz, sz); + return memblock_alloc_or_panic(sz, sz); - if (!ptr) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, sz, sz); - - return ptr; } static void *__init late_alloc(unsigned long sz) @@ -1027,10 +1022,7 @@ void __init iotable_init(struct map_desc *io_desc, int nr) if (!nr) return; - svm = memblock_alloc(sizeof(*svm) * nr, __alignof__(*svm)); - if (!svm) - panic("%s: Failed to allocate %zu bytes align=0x%zx\n", - __func__, sizeof(*svm) * nr, __alignof__(*svm)); + svm = memblock_alloc_or_panic(sizeof(*svm) * nr, __alignof__(*svm)); for (md = io_desc; nr; md++, nr--) { create_mapping(md); @@ -1052,10 +1044,7 @@ void __init vm_reserve_area_early(unsigned long addr, unsigned long size, struct vm_struct *vm; struct static_vm *svm; - svm = memblock_alloc(sizeof(*svm), __alignof__(*svm)); - if (!svm) - panic("%s: Failed to allocate %zu bytes align=0x%zx\n", - __func__, sizeof(*svm), __alignof__(*svm)); + svm = memblock_alloc_or_panic(sizeof(*svm), __alignof__(*svm)); vm = &svm->vm; vm->addr = (void *)addr; diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index c415f3859b20..1a8f6914ee59 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -162,10 +162,7 @@ void __init paging_init(const struct machine_desc *mdesc) mpu_setup(); /* allocate the zero page. */ - zero_page = (void *)memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + zero_page = (void *)memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); bootmem_init(); diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 4f613e8e0745..85104587f849 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -223,9 +223,7 @@ static void __init request_standard_resources(void) num_standard_resources = memblock.memory.cnt; res_size = num_standard_resources * sizeof(*standard_resources); - standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES); - if (!standard_resources) - panic("%s: Failed to allocate %zu bytes\n", __func__, res_size); + standard_resources = memblock_alloc_or_panic(res_size, SMP_CACHE_BYTES); for_each_mem_region(region) { res = &standard_resources[i++]; diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c index 56934fe58170..edcfdfcad7d2 100644 --- a/arch/loongarch/kernel/setup.c +++ b/arch/loongarch/kernel/setup.c @@ -431,7 +431,7 @@ static void __init resource_init(void) num_standard_resources = memblock.memory.cnt; res_size = num_standard_resources * sizeof(*standard_resources); - standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES); + standard_resources = memblock_alloc_or_panic(res_size, SMP_CACHE_BYTES); for_each_mem_region(region) { res = &standard_resources[i++]; diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 188b52bbb254..ca5aa5f46a9f 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -174,9 +174,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr) pmd_t *pmd; if (p4d_none(p4dp_get(p4d))) { - pud = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pud) - panic("%s: Failed to allocate memory\n", __func__); + pud = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); p4d_populate(&init_mm, p4d, pud); #ifndef __PAGETABLE_PUD_FOLDED pud_init(pud); @@ -185,9 +183,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr) pud = pud_offset(p4d, addr); if (pud_none(pudp_get(pud))) { - pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pmd) - panic("%s: Failed to allocate memory\n", __func__); + pmd = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pud_populate(&init_mm, pud, pmd); #ifndef __PAGETABLE_PMD_FOLDED pmd_init(pmd); @@ -198,10 +194,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr) if (!pmd_present(pmdp_get(pmd))) { pte_t *pte; - pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pte) - panic("%s: Failed to allocate memory\n", __func__); - + pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, pte); kernel_pte_init(pte); } diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 1b47bec15832..8b11d0d545aa 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -68,10 +68,7 @@ void __init paging_init(void) high_memory = (void *) end_mem; - empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); max_zone_pfn[ZONE_DMA] = end_mem >> PAGE_SHIFT; free_area_init(max_zone_pfn); } diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 9a6fa342e872..19a75029036c 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -42,20 +42,14 @@ void __init paging_init(void) unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; int i; - empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pg_dir = swapper_pg_dir; memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir)); size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); - next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE); - if (!next_pgtable) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, size, PAGE_SIZE); + next_pgtable = (unsigned long) memblock_alloc_or_panic(size, PAGE_SIZE); pg_dir += PAGE_OFFSET >> PGDIR_SHIFT; diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index c1761d309fc6..795dd1f2b24f 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -491,10 +491,7 @@ void __init paging_init(void) * initialize the bad page table and bad page to point * to a couple of allocated pages */ - empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index 494739c1783e..1ecf6bdd08bf 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -44,10 +44,7 @@ void __init paging_init(void) unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; unsigned long size; - empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); address = PAGE_OFFSET; pg_dir = swapper_pg_dir; @@ -57,10 +54,7 @@ void __init paging_init(void) size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); - next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE); - if (!next_pgtable) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, size, PAGE_SIZE); + next_pgtable = (unsigned long)memblock_alloc_or_panic(size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; /* Map whole memory from PAGE_OFFSET (0x0E000000) */ diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c index 6ebf52740ad7..225fc735e466 100644 --- a/arch/m68k/sun3/sun3dvma.c +++ b/arch/m68k/sun3/sun3dvma.c @@ -252,12 +252,8 @@ void __init dvma_init(void) list_add(&(hole->list), &hole_list); - iommu_use = memblock_alloc(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long), + iommu_use = memblock_alloc_or_panic(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long), SMP_CACHE_BYTES); - if (!iommu_use) - panic("%s: Failed to allocate %zu bytes\n", __func__, - IOMMU_TOTAL_ENTRIES * sizeof(unsigned long)); - dvma_unmap_iommu(DVMA_START, DVMA_SIZE); sun3_dvma_init(); diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 12a1a4ffb602..fbfe0771317e 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -704,10 +704,7 @@ static void __init resource_init(void) for_each_mem_range(i, &start, &end) { struct resource *res; - res = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); - if (!res) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct resource)); + res = memblock_alloc_or_panic(sizeof(struct resource), SMP_CACHE_BYTES); res->start = start; /* diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c index f59ea4c10b0f..8e63e86251ca 100644 --- a/arch/openrisc/mm/ioremap.c +++ b/arch/openrisc/mm/ioremap.c @@ -38,10 +38,7 @@ pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm) if (likely(mem_init_done)) { pte = (pte_t *)get_zeroed_page(GFP_KERNEL); } else { - pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pte) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); } return pte; diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 96970fa75e4a..61c0a2477072 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -377,10 +377,8 @@ static void __ref map_pages(unsigned long start_vaddr, #if CONFIG_PGTABLE_LEVELS == 3 if (pud_none(*pud)) { - pmd = memblock_alloc(PAGE_SIZE << PMD_TABLE_ORDER, + pmd = memblock_alloc_or_panic(PAGE_SIZE << PMD_TABLE_ORDER, PAGE_SIZE << PMD_TABLE_ORDER); - if (!pmd) - panic("pmd allocation failed.\n"); pud_populate(NULL, pud, pmd); } #endif @@ -388,9 +386,7 @@ static void __ref map_pages(unsigned long start_vaddr, pmd = pmd_offset(pud, vaddr); for (tmp1 = start_pmd; tmp1 < PTRS_PER_PMD; tmp1++, pmd++) { if (pmd_none(*pmd)) { - pg_table = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pg_table) - panic("page table allocation failed\n"); + pg_table = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(NULL, pmd, pg_table); } @@ -648,9 +644,7 @@ static void __init pagetable_init(void) } #endif - empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("zero page allocation failed.\n"); + empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); } @@ -687,19 +681,15 @@ static void __init fixmap_init(void) #if CONFIG_PGTABLE_LEVELS == 3 if (pud_none(*pud)) { - pmd = memblock_alloc(PAGE_SIZE << PMD_TABLE_ORDER, + pmd = memblock_alloc_or_panic(PAGE_SIZE << PMD_TABLE_ORDER, PAGE_SIZE << PMD_TABLE_ORDER); - if (!pmd) - panic("fixmap: pmd allocation failed.\n"); pud_populate(NULL, pud, pmd); } #endif pmd = pmd_offset(pud, addr); do { - pte_t *pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pte) - panic("fixmap: pte allocation failed.\n"); + pte_t *pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, pte); diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 1bee15c013e7..3af6c06af02f 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -1087,12 +1087,10 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char /* Count and allocate space for cpu features */ of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes, &nr_dt_cpu_features); - dt_cpu_features = memblock_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE); - if (!dt_cpu_features) - panic("%s: Failed to allocate %zu bytes align=0x%lx\n", - __func__, - sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, - PAGE_SIZE); + dt_cpu_features = + memblock_alloc_or_panic( + sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, + PAGE_SIZE); cpufeatures_setup_start(isa); diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index ce0c8623e563..f8a3bd8cfae4 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -213,11 +213,8 @@ pci_create_OF_bus_map(void) struct property* of_prop; struct device_node *dn; - of_prop = memblock_alloc(sizeof(struct property) + 256, + of_prop = memblock_alloc_or_panic(sizeof(struct property) + 256, SMP_CACHE_BYTES); - if (!of_prop) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct property) + 256); dn = of_find_node_by_path("/"); if (dn) { memset(of_prop, -1, sizeof(struct property) + 256); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 6fa179448c33..f3ea1329c566 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -458,11 +458,8 @@ void __init smp_setup_cpu_maps(void) DBG("smp_setup_cpu_maps()\n"); - cpu_to_phys_id = memblock_alloc(nr_cpu_ids * sizeof(u32), + cpu_to_phys_id = memblock_alloc_or_panic(nr_cpu_ids * sizeof(u32), __alignof__(u32)); - if (!cpu_to_phys_id) - panic("%s: Failed to allocate %zu bytes align=0x%zx\n", - __func__, nr_cpu_ids * sizeof(u32), __alignof__(u32)); for_each_node_by_type(dn, "cpu") { const __be32 *intserv; diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 75dbf3e0d9c4..5a1bf501fbe1 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -140,13 +140,7 @@ arch_initcall(ppc_init); static void *__init alloc_stack(void) { - void *ptr = memblock_alloc(THREAD_SIZE, THREAD_ALIGN); - - if (!ptr) - panic("cannot allocate %d bytes for stack at %pS\n", - THREAD_SIZE, (void *)_RET_IP_); - - return ptr; + return memblock_alloc_or_panic(THREAD_SIZE, THREAD_ALIGN); } void __init irqstack_early_init(void) diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index 6978344edcb4..be9c4106e22f 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -377,10 +377,7 @@ void __init MMU_init_hw(void) * Find some memory for the hash table. */ if ( ppc_md.progress ) ppc_md.progress("hash:find piece", 0x322); - Hash = memblock_alloc(Hash_size, Hash_size); - if (!Hash) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, Hash_size, Hash_size); + Hash = memblock_alloc_or_panic(Hash_size, Hash_size); _SDR1 = __pa(Hash) | SDR1_LOW_BITS; pr_info("Total memory = %lldMB; using %ldkB for hash table\n", diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 374542528080..0b1f419b7404 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -330,11 +330,7 @@ void __init mmu_partition_table_init(void) unsigned long ptcr; /* Initialize the Partition Table with no entries */ - partition_tb = memblock_alloc(patb_size, patb_size); - if (!partition_tb) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, patb_size, patb_size); - + partition_tb = memblock_alloc_or_panic(patb_size, patb_size); ptcr = __pa(partition_tb) | (PATB_SIZE_SHIFT - 12); set_ptcr_when_no_uv(ptcr); powernv_set_nmmu_ptcr(ptcr); diff --git a/arch/powerpc/mm/kasan/init_book3e_64.c b/arch/powerpc/mm/kasan/init_book3e_64.c index 43c03b84ff32..60c78aac0f63 100644 --- a/arch/powerpc/mm/kasan/init_book3e_64.c +++ b/arch/powerpc/mm/kasan/init_book3e_64.c @@ -40,19 +40,19 @@ static int __init kasan_map_kernel_page(unsigned long ea, unsigned long pa, pgpr pgdp = pgd_offset_k(ea); p4dp = p4d_offset(pgdp, ea); if (kasan_pud_table(*p4dp)) { - pudp = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE); + pudp = memblock_alloc_or_panic(PUD_TABLE_SIZE, PUD_TABLE_SIZE); memcpy(pudp, kasan_early_shadow_pud, PUD_TABLE_SIZE); p4d_populate(&init_mm, p4dp, pudp); } pudp = pud_offset(p4dp, ea); if (kasan_pmd_table(*pudp)) { - pmdp = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE); + pmdp = memblock_alloc_or_panic(PMD_TABLE_SIZE, PMD_TABLE_SIZE); memcpy(pmdp, kasan_early_shadow_pmd, PMD_TABLE_SIZE); pud_populate(&init_mm, pudp, pmdp); } pmdp = pmd_offset(pudp, ea); if (kasan_pte_table(*pmdp)) { - ptep = memblock_alloc(PTE_TABLE_SIZE, PTE_TABLE_SIZE); + ptep = memblock_alloc_or_panic(PTE_TABLE_SIZE, PTE_TABLE_SIZE); memcpy(ptep, kasan_early_shadow_pte, PTE_TABLE_SIZE); pmd_populate_kernel(&init_mm, pmdp, ptep); } @@ -74,7 +74,7 @@ static void __init kasan_init_phys_region(void *start, void *end) k_start = ALIGN_DOWN((unsigned long)kasan_mem_to_shadow(start), PAGE_SIZE); k_end = ALIGN((unsigned long)kasan_mem_to_shadow(end), PAGE_SIZE); - va = memblock_alloc(k_end - k_start, PAGE_SIZE); + va = memblock_alloc_or_panic(k_end - k_start, PAGE_SIZE); for (k_cur = k_start; k_cur < k_end; k_cur += PAGE_SIZE, va += PAGE_SIZE) kasan_map_kernel_page(k_cur, __pa(va), PAGE_KERNEL); } diff --git a/arch/powerpc/mm/kasan/init_book3s_64.c b/arch/powerpc/mm/kasan/init_book3s_64.c index 3fb5ce4f48f4..7d959544c077 100644 --- a/arch/powerpc/mm/kasan/init_book3s_64.c +++ b/arch/powerpc/mm/kasan/init_book3s_64.c @@ -32,7 +32,7 @@ static void __init kasan_init_phys_region(void *start, void *end) k_start = ALIGN_DOWN((unsigned long)kasan_mem_to_shadow(start), PAGE_SIZE); k_end = ALIGN((unsigned long)kasan_mem_to_shadow(end), PAGE_SIZE); - va = memblock_alloc(k_end - k_start, PAGE_SIZE); + va = memblock_alloc_or_panic(k_end - k_start, PAGE_SIZE); for (k_cur = k_start; k_cur < k_end; k_cur += PAGE_SIZE, va += PAGE_SIZE) map_kernel_page(k_cur, __pa(va), PAGE_KERNEL); } diff --git a/arch/powerpc/mm/nohash/mmu_context.c b/arch/powerpc/mm/nohash/mmu_context.c index 0b181da40ddb..a1a4e697251a 100644 --- a/arch/powerpc/mm/nohash/mmu_context.c +++ b/arch/powerpc/mm/nohash/mmu_context.c @@ -385,21 +385,11 @@ void __init mmu_context_init(void) /* * Allocate the maps used by context management */ - context_map = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES); - if (!context_map) - panic("%s: Failed to allocate %zu bytes\n", __func__, - CTX_MAP_SIZE); - context_mm = memblock_alloc(sizeof(void *) * (LAST_CONTEXT + 1), + context_map = memblock_alloc_or_panic(CTX_MAP_SIZE, SMP_CACHE_BYTES); + context_mm = memblock_alloc_or_panic(sizeof(void *) * (LAST_CONTEXT + 1), SMP_CACHE_BYTES); - if (!context_mm) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(void *) * (LAST_CONTEXT + 1)); if (IS_ENABLED(CONFIG_SMP)) { - stale_map[boot_cpuid] = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES); - if (!stale_map[boot_cpuid]) - panic("%s: Failed to allocate %zu bytes\n", __func__, - CTX_MAP_SIZE); - + stale_map[boot_cpuid] = memblock_alloc_or_panic(CTX_MAP_SIZE, SMP_CACHE_BYTES); cpuhp_setup_state_nocalls(CPUHP_POWERPC_MMU_CTX_PREPARE, "powerpc/mmu/ctx:prepare", mmu_ctx_cpu_prepare, mmu_ctx_cpu_dead); diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 787b22206386..15276068f657 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -50,13 +50,8 @@ notrace void __init early_ioremap_init(void) void __init *early_alloc_pgtable(unsigned long size) { - void *ptr = memblock_alloc(size, size); + return memblock_alloc_or_panic(size, size); - if (!ptr) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, size, size); - - return ptr; } pte_t __init *early_pte_alloc_kernel(pmd_t *pmdp, unsigned long va) diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index fe2e0249cbc2..a112d26185a0 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -514,10 +514,7 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr) printk(KERN_ERR "nvram: no address\n"); return -EINVAL; } - nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES); - if (!nvram_image) - panic("%s: Failed to allocate %u bytes\n", __func__, - NVRAM_SIZE); + nvram_image = memblock_alloc_or_panic(NVRAM_SIZE, SMP_CACHE_BYTES); nvram_data = ioremap(addr, NVRAM_SIZE*2); nvram_naddrs = 1; /* Make sure we get the correct case */ diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 5d0f35bb917e..09bd93464b4f 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -180,10 +180,7 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node, /* * Allocate a buffer to hold the MC recoverable ranges. */ - mc_recoverable_range = memblock_alloc(size, __alignof__(u64)); - if (!mc_recoverable_range) - panic("%s: Failed to allocate %u bytes align=0x%lx\n", - __func__, size, __alignof__(u64)); + mc_recoverable_range = memblock_alloc_or_panic(size, __alignof__(u64)); for (i = 0; i < mc_recoverable_range_len; i++) { mc_recoverable_range[i].start_addr = diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 5144f11359f7..150c09b58ae8 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -115,10 +115,7 @@ static void __init prealloc(struct ps3_prealloc *p) if (!p->size) return; - p->address = memblock_alloc(p->size, p->align); - if (!p->address) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, p->size, p->align); + p->address = memblock_alloc_or_panic(p->size, p->align); printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, p->address); diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c index 0b6e37f3ffb8..456a4f64ae0a 100644 --- a/arch/powerpc/sysdev/msi_bitmap.c +++ b/arch/powerpc/sysdev/msi_bitmap.c @@ -124,10 +124,7 @@ int __ref msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count, if (bmp->bitmap_from_slab) bmp->bitmap = kzalloc(size, GFP_KERNEL); else { - bmp->bitmap = memblock_alloc(size, SMP_CACHE_BYTES); - if (!bmp->bitmap) - panic("%s: Failed to allocate %u bytes\n", __func__, - size); + bmp->bitmap = memblock_alloc_or_panic(size, SMP_CACHE_BYTES); /* the bitmap won't be freed from memblock allocator */ kmemleak_not_leak(bmp->bitmap); } diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 45010e71df86..f1793630fc51 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -147,9 +147,7 @@ static void __init init_resources(void) res_idx = num_resources - 1; mem_res_sz = num_resources * sizeof(*mem_res); - mem_res = memblock_alloc(mem_res_sz, SMP_CACHE_BYTES); - if (!mem_res) - panic("%s: Failed to allocate %zu bytes\n", __func__, mem_res_sz); + mem_res = memblock_alloc_or_panic(mem_res_sz, SMP_CACHE_BYTES); /* * Start by adding the reserved regions, if they overlap diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index c301c8d291d2..41c635d6aca4 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -32,7 +32,7 @@ static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned pte_t *ptep, *p; if (pmd_none(pmdp_get(pmd))) { - p = memblock_alloc(PTRS_PER_PTE * sizeof(pte_t), PAGE_SIZE); + p = memblock_alloc_or_panic(PTRS_PER_PTE * sizeof(pte_t), PAGE_SIZE); set_pmd(pmd, pfn_pmd(PFN_DOWN(__pa(p)), PAGE_TABLE)); } @@ -54,7 +54,7 @@ static void __init kasan_populate_pmd(pud_t *pud, unsigned long vaddr, unsigned unsigned long next; if (pud_none(pudp_get(pud))) { - p = memblock_alloc(PTRS_PER_PMD * sizeof(pmd_t), PAGE_SIZE); + p = memblock_alloc_or_panic(PTRS_PER_PMD * sizeof(pmd_t), PAGE_SIZE); set_pud(pud, pfn_pud(PFN_DOWN(__pa(p)), PAGE_TABLE)); } @@ -85,7 +85,7 @@ static void __init kasan_populate_pud(p4d_t *p4d, unsigned long next; if (p4d_none(p4dp_get(p4d))) { - p = memblock_alloc(PTRS_PER_PUD * sizeof(pud_t), PAGE_SIZE); + p = memblock_alloc_or_panic(PTRS_PER_PUD * sizeof(pud_t), PAGE_SIZE); set_p4d(p4d, pfn_p4d(PFN_DOWN(__pa(p)), PAGE_TABLE)); } @@ -116,7 +116,7 @@ static void __init kasan_populate_p4d(pgd_t *pgd, unsigned long next; if (pgd_none(pgdp_get(pgd))) { - p = memblock_alloc(PTRS_PER_P4D * sizeof(p4d_t), PAGE_SIZE); + p = memblock_alloc_or_panic(PTRS_PER_P4D * sizeof(p4d_t), PAGE_SIZE); set_pgd(pgd, pfn_pgd(PFN_DOWN(__pa(p)), PAGE_TABLE)); } @@ -385,7 +385,7 @@ static void __init kasan_shallow_populate_pud(p4d_t *p4d, next = pud_addr_end(vaddr, end); if (pud_none(pudp_get(pud_k))) { - p = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + p = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); set_pud(pud_k, pfn_pud(PFN_DOWN(__pa(p)), PAGE_TABLE)); continue; } @@ -405,7 +405,7 @@ static void __init kasan_shallow_populate_p4d(pgd_t *pgd, next = p4d_addr_end(vaddr, end); if (p4d_none(p4dp_get(p4d_k))) { - p = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + p = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); set_p4d(p4d_k, pfn_p4d(PFN_DOWN(__pa(p)), PAGE_TABLE)); continue; } @@ -424,7 +424,7 @@ static void __init kasan_shallow_populate_pgd(unsigned long vaddr, unsigned long next = pgd_addr_end(vaddr, end); if (pgd_none(pgdp_get(pgd_k))) { - p = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + p = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); set_pgd(pgd_k, pfn_pgd(PFN_DOWN(__pa(p)), PAGE_TABLE)); continue; } diff --git a/arch/s390/kernel/numa.c b/arch/s390/kernel/numa.c index ddc1448ea2e1..a33e20f73330 100644 --- a/arch/s390/kernel/numa.c +++ b/arch/s390/kernel/numa.c @@ -22,10 +22,7 @@ void __init numa_setup(void) node_set(0, node_possible_map); node_set_online(0); for (nid = 0; nid < MAX_NUMNODES; nid++) { - NODE_DATA(nid) = memblock_alloc(sizeof(pg_data_t), 8); - if (!NODE_DATA(nid)) - panic("%s: Failed to allocate %zu bytes align=0x%x\n", - __func__, sizeof(pg_data_t), 8); + NODE_DATA(nid) = memblock_alloc_or_panic(sizeof(pg_data_t), 8); } NODE_DATA(0)->node_spanned_pages = memblock_end_of_DRAM() >> PAGE_SHIFT; NODE_DATA(0)->node_id = 0; diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 0ce550faf073..1298f0860733 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -376,11 +376,7 @@ static unsigned long __init stack_alloc_early(void) { unsigned long stack; - stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE); - if (!stack) { - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, THREAD_SIZE, THREAD_SIZE); - } + stack = (unsigned long)memblock_alloc_or_panic(THREAD_SIZE, THREAD_SIZE); return stack; } @@ -504,10 +500,7 @@ static void __init setup_resources(void) bss_resource.end = __pa_symbol(__bss_stop) - 1; for_each_mem_range(i, &start, &end) { - res = memblock_alloc(sizeof(*res), 8); - if (!res) - panic("%s: Failed to allocate %zu bytes align=0x%x\n", - __func__, sizeof(*res), 8); + res = memblock_alloc_or_panic(sizeof(*res), 8); res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM; res->name = "System RAM"; @@ -526,10 +519,7 @@ static void __init setup_resources(void) std_res->start > res->end) continue; if (std_res->end > res->end) { - sub_res = memblock_alloc(sizeof(*sub_res), 8); - if (!sub_res) - panic("%s: Failed to allocate %zu bytes align=0x%x\n", - __func__, sizeof(*sub_res), 8); + sub_res = memblock_alloc_or_panic(sizeof(*sub_res), 8); *sub_res = *std_res; sub_res->end = res->end; std_res->start = res->end + 1; @@ -816,9 +806,7 @@ static void __init setup_randomness(void) { struct sysinfo_3_2_2 *vmms; - vmms = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!vmms) - panic("Failed to allocate memory for sysinfo structure\n"); + vmms = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); if (stsi(vmms, 3, 2, 2) == 0 && vmms->count) add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count); memblock_free(vmms, PAGE_SIZE); diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 822d8e6f8717..d77aaefb59bd 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -611,9 +611,9 @@ void __init smp_save_dump_ipl_cpu(void) if (!dump_available()) return; sa = save_area_alloc(true); - regs = memblock_alloc(512, 8); - if (!sa || !regs) + if (!sa) panic("could not allocate memory for boot CPU save area\n"); + regs = memblock_alloc_or_panic(512, 8); copy_oldmem_kernel(regs, __LC_FPREGS_SAVE_AREA, 512); save_area_add_regs(sa, regs); memblock_free(regs, 512); @@ -792,10 +792,7 @@ void __init smp_detect_cpus(void) u16 address; /* Get CPU information */ - info = memblock_alloc(sizeof(*info), 8); - if (!info) - panic("%s: Failed to allocate %zu bytes align=0x%x\n", - __func__, sizeof(*info), 8); + info = memblock_alloc_or_panic(sizeof(*info), 8); smp_get_core_info(info, 1); /* Find boot CPU type */ if (sclp.has_core_type) { diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 0fd56a1cadbd..cf5ee6032c0b 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -548,10 +548,7 @@ static void __init alloc_masks(struct sysinfo_15_1_x *info, nr_masks *= info->mag[TOPOLOGY_NR_MAG - offset - 1 - i]; nr_masks = max(nr_masks, 1); for (i = 0; i < nr_masks; i++) { - mask->next = memblock_alloc(sizeof(*mask->next), 8); - if (!mask->next) - panic("%s: Failed to allocate %zu bytes align=0x%x\n", - __func__, sizeof(*mask->next), 8); + mask->next = memblock_alloc_or_panic(sizeof(*mask->next), 8); mask = mask->next; } } @@ -569,10 +566,7 @@ void __init topology_init_early(void) } if (!MACHINE_HAS_TOPOLOGY) goto out; - tl_info = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!tl_info) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + tl_info = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); info = tl_info; store_topology(info); pr_info("The CPU configuration topology of the machine is: %d %d %d %d %d %d / %d\n", diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 2a88b0c9e70f..289a2fecebef 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -137,10 +137,7 @@ static pmd_t * __init one_md_table_init(pud_t *pud) if (pud_none(*pud)) { pmd_t *pmd; - pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pmd) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + pmd = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pud_populate(&init_mm, pud, pmd); BUG_ON(pmd != pmd_offset(pud, 0)); } @@ -153,10 +150,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) if (pmd_none(*pmd)) { pte_t *pte; - pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!pte) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); + pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, pte); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 3df960c137f7..a67dd67f10c8 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -28,9 +28,7 @@ void * __init prom_early_alloc(unsigned long size) { void *ret; - ret = memblock_alloc(size, SMP_CACHE_BYTES); - if (!ret) - panic("%s: Failed to allocate %lu bytes\n", __func__, size); + ret = memblock_alloc_or_panic(size, SMP_CACHE_BYTES); prom_early_allocated += size; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 9df51a62333d..e36c2a0ff748 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -277,19 +277,13 @@ static void __init srmmu_nocache_init(void) bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT; - srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size, + srmmu_nocache_pool = memblock_alloc_or_panic(srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); - if (!srmmu_nocache_pool) - panic("%s: Failed to allocate %lu bytes align=0x%x\n", - __func__, srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); memset(srmmu_nocache_pool, 0, srmmu_nocache_size); srmmu_nocache_bitmap = - memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long), + memblock_alloc_or_panic(BITS_TO_LONGS(bitmap_bits) * sizeof(long), SMP_CACHE_BYTES); - if (!srmmu_nocache_bitmap) - panic("%s: Failed to allocate %zu bytes\n", __func__, - BITS_TO_LONGS(bitmap_bits) * sizeof(long)); bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits); srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE); @@ -452,9 +446,7 @@ static void __init sparc_context_init(int numctx) unsigned long size; size = numctx * sizeof(struct ctx_list); - ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES); - if (!ctx_list_pool) - panic("%s: Failed to allocate %lu bytes\n", __func__, size); + ctx_list_pool = memblock_alloc_or_panic(size, SMP_CACHE_BYTES); for (ctx = 0; ctx < numctx; ctx++) { struct ctx_list *clist; diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 75d04fb4994a..d5a9c5aabaec 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -636,10 +636,7 @@ static int __init eth_setup(char *str) return 1; } - new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES); - if (!new) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*new)); + new = memblock_alloc_or_panic(sizeof(*new), SMP_CACHE_BYTES); INIT_LIST_HEAD(&new->list); new->index = n; diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index 64c09db392c1..85b129e2b70b 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -1694,10 +1694,7 @@ static int __init vector_setup(char *str) str, error); return 1; } - new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES); - if (!new) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*new)); + new = memblock_alloc_or_panic(sizeof(*new), SMP_CACHE_BYTES); INIT_LIST_HEAD(&new->list); new->unit = n; new->arguments = str; diff --git a/arch/um/kernel/load_file.c b/arch/um/kernel/load_file.c index 5cecd0e291fb..cb9d178ab7d8 100644 --- a/arch/um/kernel/load_file.c +++ b/arch/um/kernel/load_file.c @@ -48,9 +48,7 @@ void *uml_load_file(const char *filename, unsigned long long *size) return NULL; } - area = memblock_alloc(*size, SMP_CACHE_BYTES); - if (!area) - panic("%s: Failed to allocate %llu bytes\n", __func__, *size); + area = memblock_alloc_or_panic(*size, SMP_CACHE_BYTES); if (__uml_load_file(filename, area, *size)) { memblock_free(area, *size); diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c index 499b41953e3c..fa218270c1db 100644 --- a/arch/x86/coco/sev/core.c +++ b/arch/x86/coco/sev/core.c @@ -1567,9 +1567,7 @@ static void __init alloc_runtime_data(int cpu) struct svsm_ca *caa; /* Allocate the SVSM CA page if an SVSM is present */ - caa = memblock_alloc(sizeof(*caa), PAGE_SIZE); - if (!caa) - panic("Can't allocate SVSM CA page\n"); + caa = memblock_alloc_or_panic(sizeof(*caa), PAGE_SIZE); per_cpu(svsm_caa, cpu) = caa; per_cpu(svsm_caa_pa, cpu) = __pa(caa); diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 3a44a9dc3fb7..7c15d6e83c37 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -911,11 +911,8 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) * the resource tree during the lateinit timeframe. */ #define HPET_RESOURCE_NAME_SIZE 9 - hpet_res = memblock_alloc(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE, + hpet_res = memblock_alloc_or_panic(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE, SMP_CACHE_BYTES); - if (!hpet_res) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE); hpet_res->name = (void *)&hpet_res[1]; hpet_res->flags = IORESOURCE_MEM; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 1029ea4ac8ba..a57d3fa7c6b6 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2503,9 +2503,7 @@ static struct resource * __init ioapic_setup_resources(void) n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource); n *= nr_ioapics; - mem = memblock_alloc(n, SMP_CACHE_BYTES); - if (!mem) - panic("%s: Failed to allocate %lu bytes\n", __func__, n); + mem = memblock_alloc_or_panic(n, SMP_CACHE_BYTES); res = (void *)mem; mem += sizeof(struct resource) * nr_ioapics; @@ -2564,11 +2562,8 @@ void __init io_apic_init_mappings(void) #ifdef CONFIG_X86_32 fake_ioapic_page: #endif - ioapic_phys = (unsigned long)memblock_alloc(PAGE_SIZE, + ioapic_phys = (unsigned long)memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); - if (!ioapic_phys) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); ioapic_phys = __pa(ioapic_phys); } io_apic_set_fixmap(idx, ioapic_phys); diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 4893d30ce438..82b96ed9890a 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1146,11 +1146,8 @@ void __init e820__reserve_resources(void) struct resource *res; u64 end; - res = memblock_alloc(sizeof(*res) * e820_table->nr_entries, + res = memblock_alloc_or_panic(sizeof(*res) * e820_table->nr_entries, SMP_CACHE_BYTES); - if (!res) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*res) * e820_table->nr_entries); e820_res = res; for (i = 0; i < e820_table->nr_entries; i++) { diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c index 74ebd6882690..cf5dca2dbb91 100644 --- a/arch/x86/platform/olpc/olpc_dt.c +++ b/arch/x86/platform/olpc/olpc_dt.c @@ -136,11 +136,7 @@ void * __init prom_early_alloc(unsigned long size) * fast enough on the platforms we care about while minimizing * wasted bootmem) and hand off chunks of it to callers. */ - res = memblock_alloc(chunk_size, SMP_CACHE_BYTES); - if (!res) - panic("%s: Failed to allocate %zu bytes\n", __func__, - chunk_size); - BUG_ON(!res); + res = memblock_alloc_or_panic(chunk_size, SMP_CACHE_BYTES); prom_early_allocated += chunk_size; memset(res, 0, chunk_size); free_mem = chunk_size; diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index b52d3e17e2c1..56914e21e303 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -178,13 +178,7 @@ static void p2m_init_identity(unsigned long *p2m, unsigned long pfn) static void * __ref alloc_p2m_page(void) { if (unlikely(!slab_is_available())) { - void *ptr = memblock_alloc(PAGE_SIZE, PAGE_SIZE); - - if (!ptr) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); - - return ptr; + return memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); } return (void *)__get_free_page(GFP_KERNEL); diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c index f00d122aa806..f39c4d83173a 100644 --- a/arch/xtensa/mm/kasan_init.c +++ b/arch/xtensa/mm/kasan_init.c @@ -39,11 +39,7 @@ static void __init populate(void *start, void *end) unsigned long i, j; unsigned long vaddr = (unsigned long)start; pmd_t *pmd = pmd_off_k(vaddr); - pte_t *pte = memblock_alloc(n_pages * sizeof(pte_t), PAGE_SIZE); - - if (!pte) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, n_pages * sizeof(pte_t), PAGE_SIZE); + pte_t *pte = memblock_alloc_or_panic(n_pages * sizeof(pte_t), PAGE_SIZE); pr_debug("%s: %p - %p\n", __func__, start, end); diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c index f2117fef7c7d..9c75dcc9a534 100644 --- a/drivers/clk/ti/clk.c +++ b/drivers/clk/ti/clk.c @@ -449,10 +449,7 @@ void __init omap2_clk_legacy_provider_init(int index, void __iomem *mem) { struct clk_iomap *io; - io = memblock_alloc(sizeof(*io), SMP_CACHE_BYTES); - if (!io) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*io)); + io = memblock_alloc_or_panic(sizeof(*io), SMP_CACHE_BYTES); io->mem = mem; diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index a01bc5090cdf..a1534cc6c641 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -492,11 +492,7 @@ int __init smu_init (void) goto fail_np; } - smu = memblock_alloc(sizeof(struct smu_device), SMP_CACHE_BYTES); - if (!smu) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct smu_device)); - + smu = memblock_alloc_or_panic(sizeof(struct smu_device), SMP_CACHE_BYTES); spin_lock_init(&smu->lock); INIT_LIST_HEAD(&smu->cmd_list); INIT_LIST_HEAD(&smu->cmd_i2c_list); diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 4b1e9f101ce3..809135e2c7f5 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1126,13 +1126,7 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) static void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { - void *ptr = memblock_alloc(size, align); - - if (!ptr) - panic("%s: Failed to allocate %llu bytes align=0x%llx\n", - __func__, size, align); - - return ptr; + return memblock_alloc_or_panic(size, align); } bool __init early_init_dt_verify(void *dt_virt, phys_addr_t dt_phys) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index e50570629dc0..837eafa81636 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -3675,13 +3675,7 @@ static struct device_node *overlay_base_root; static void * __init dt_alloc_memory(u64 size, u64 align) { - void *ptr = memblock_alloc(size, align); - - if (!ptr) - panic("%s: Failed to allocate %llu bytes align=0x%llx\n", - __func__, size, align); - - return ptr; + return memblock_alloc_or_panic(size, align); } /* diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 673d5cae7c81..dee628350cd1 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -417,6 +417,12 @@ static __always_inline void *memblock_alloc(phys_addr_t size, phys_addr_t align) MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE); } +void *__memblock_alloc_or_panic(phys_addr_t size, phys_addr_t align, + const char *func); + +#define memblock_alloc_or_panic(size, align) \ + __memblock_alloc_or_panic(size, align, __func__) + static inline void *memblock_alloc_raw(phys_addr_t size, phys_addr_t align) { diff --git a/init/main.c b/init/main.c index 893cb77aef22..2a1757826397 100644 --- a/init/main.c +++ b/init/main.c @@ -640,15 +640,11 @@ static void __init setup_command_line(char *command_line) len = xlen + strlen(boot_command_line) + ilen + 1; - saved_command_line = memblock_alloc(len, SMP_CACHE_BYTES); - if (!saved_command_line) - panic("%s: Failed to allocate %zu bytes\n", __func__, len); + saved_command_line = memblock_alloc_or_panic(len, SMP_CACHE_BYTES); len = xlen + strlen(command_line) + 1; - static_command_line = memblock_alloc(len, SMP_CACHE_BYTES); - if (!static_command_line) - panic("%s: Failed to allocate %zu bytes\n", __func__, len); + static_command_line = memblock_alloc_or_panic(len, SMP_CACHE_BYTES); if (xlen) { /* @@ -1146,16 +1142,10 @@ static int __init initcall_blacklist(char *str) str_entry = strsep(&str, ","); if (str_entry) { pr_debug("blacklisting initcall %s\n", str_entry); - entry = memblock_alloc(sizeof(*entry), + entry = memblock_alloc_or_panic(sizeof(*entry), SMP_CACHE_BYTES); - if (!entry) - panic("%s: Failed to allocate %zu bytes\n", - __func__, sizeof(*entry)); - entry->buf = memblock_alloc(strlen(str_entry) + 1, + entry->buf = memblock_alloc_or_panic(strlen(str_entry) + 1, SMP_CACHE_BYTES); - if (!entry->buf) - panic("%s: Failed to allocate %zu bytes\n", - __func__, strlen(str_entry) + 1); strcpy(entry->buf, str_entry); list_add(&entry->next, &blacklisted_initcalls); } diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 30894d8f0a78..c9fb559a6399 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1011,11 +1011,8 @@ void __init register_nosave_region(unsigned long start_pfn, unsigned long end_pf } } /* This allocation cannot fail */ - region = memblock_alloc(sizeof(struct nosave_region), + region = memblock_alloc_or_panic(sizeof(struct nosave_region), SMP_CACHE_BYTES); - if (!region) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct nosave_region)); region->start_pfn = start_pfn; region->end_pfn = end_pfn; list_add_tail(®ion->list, &nosave_regions); diff --git a/lib/cpumask.c b/lib/cpumask.c index e77ee9d46f71..57274ba8b6d9 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -83,10 +83,7 @@ EXPORT_SYMBOL(alloc_cpumask_var_node); */ void __init alloc_bootmem_cpumask_var(cpumask_var_t *mask) { - *mask = memblock_alloc(cpumask_size(), SMP_CACHE_BYTES); - if (!*mask) - panic("%s: Failed to allocate %u bytes\n", __func__, - cpumask_size()); + *mask = memblock_alloc_or_panic(cpumask_size(), SMP_CACHE_BYTES); } /** diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c index 9c58f081d84f..1bb505a08415 100644 --- a/mm/kmsan/shadow.c +++ b/mm/kmsan/shadow.c @@ -280,12 +280,8 @@ void __init kmsan_init_alloc_meta_for_range(void *start, void *end) start = (void *)PAGE_ALIGN_DOWN((u64)start); size = PAGE_ALIGN((u64)end - (u64)start); - shadow = memblock_alloc(size, PAGE_SIZE); - origin = memblock_alloc(size, PAGE_SIZE); - - if (!shadow || !origin) - panic("%s: Failed to allocate metadata memory for early boot range of size %llu", - __func__, size); + shadow = memblock_alloc_or_panic(size, PAGE_SIZE); + origin = memblock_alloc_or_panic(size, PAGE_SIZE); for (u64 addr = 0; addr < size; addr += PAGE_SIZE) { page = virt_to_page_or_null((char *)start + addr); diff --git a/mm/memblock.c b/mm/memblock.c index 095c18b5c430..95af35fd1389 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1691,6 +1691,26 @@ void * __init memblock_alloc_try_nid( return ptr; } +/** + * __memblock_alloc_or_panic - Try to allocate memory and panic on failure + * @size: size of memory block to be allocated in bytes + * @align: alignment of the region and block's size + * @func: caller func name + * + * This function attempts to allocate memory using memblock_alloc, + * and in case of failure, it calls panic with the formatted message. + * This function should not be used directly, please use the macro memblock_alloc_or_panic. + */ +void *__init __memblock_alloc_or_panic(phys_addr_t size, phys_addr_t align, + const char *func) +{ + void *addr = memblock_alloc(size, align); + + if (unlikely(!addr)) + panic("%s: Failed to allocate %pap bytes\n", func, &size); + return addr; +} + /** * memblock_free_late - free pages directly to buddy allocator * @base: phys starting address of the boot memory block diff --git a/mm/numa.c b/mm/numa.c index e2eec07707d1..f1787d7713a6 100644 --- a/mm/numa.c +++ b/mm/numa.c @@ -37,13 +37,7 @@ void __init alloc_node_data(int nid) void __init alloc_offline_node_data(int nid) { pg_data_t *pgdat; - - pgdat = memblock_alloc(sizeof(*pgdat), SMP_CACHE_BYTES); - if (!pgdat) - panic("Cannot allocate %zuB for node %d.\n", - sizeof(*pgdat), nid); - - node_data[nid] = pgdat; + node_data[nid] = memblock_alloc_or_panic(sizeof(*pgdat), SMP_CACHE_BYTES); } /* Stub functions: */ diff --git a/mm/percpu.c b/mm/percpu.c index d8dd31a2e407..ac61e3fc5f15 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1359,10 +1359,7 @@ static struct pcpu_chunk * __init pcpu_alloc_first_chunk(unsigned long tmp_addr, /* allocate chunk */ alloc_size = struct_size(chunk, populated, BITS_TO_LONGS(region_size >> PAGE_SHIFT)); - chunk = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!chunk) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + chunk = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); INIT_LIST_HEAD(&chunk->list); @@ -1374,24 +1371,14 @@ static struct pcpu_chunk * __init pcpu_alloc_first_chunk(unsigned long tmp_addr, region_bits = pcpu_chunk_map_bits(chunk); alloc_size = BITS_TO_LONGS(region_bits) * sizeof(chunk->alloc_map[0]); - chunk->alloc_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!chunk->alloc_map) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + chunk->alloc_map = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); alloc_size = BITS_TO_LONGS(region_bits + 1) * sizeof(chunk->bound_map[0]); - chunk->bound_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!chunk->bound_map) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + chunk->bound_map = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); alloc_size = pcpu_chunk_nr_blocks(chunk) * sizeof(chunk->md_blocks[0]); - chunk->md_blocks = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!chunk->md_blocks) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); - + chunk->md_blocks = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); #ifdef NEED_PCPUOBJ_EXT /* first chunk is free to use */ chunk->obj_exts = NULL; @@ -2595,28 +2582,16 @@ void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, /* process group information and build config tables accordingly */ alloc_size = ai->nr_groups * sizeof(group_offsets[0]); - group_offsets = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!group_offsets) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + group_offsets = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); alloc_size = ai->nr_groups * sizeof(group_sizes[0]); - group_sizes = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!group_sizes) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + group_sizes = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); alloc_size = nr_cpu_ids * sizeof(unit_map[0]); - unit_map = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!unit_map) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + unit_map = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); alloc_size = nr_cpu_ids * sizeof(unit_off[0]); - unit_off = memblock_alloc(alloc_size, SMP_CACHE_BYTES); - if (!unit_off) - panic("%s: Failed to allocate %zu bytes\n", __func__, - alloc_size); + unit_off = memblock_alloc_or_panic(alloc_size, SMP_CACHE_BYTES); for (cpu = 0; cpu < nr_cpu_ids; cpu++) unit_map[cpu] = UINT_MAX; @@ -2685,12 +2660,9 @@ void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, pcpu_free_slot = pcpu_sidelined_slot + 1; pcpu_to_depopulate_slot = pcpu_free_slot + 1; pcpu_nr_slots = pcpu_to_depopulate_slot + 1; - pcpu_chunk_lists = memblock_alloc(pcpu_nr_slots * + pcpu_chunk_lists = memblock_alloc_or_panic(pcpu_nr_slots * sizeof(pcpu_chunk_lists[0]), SMP_CACHE_BYTES); - if (!pcpu_chunk_lists) - panic("%s: Failed to allocate %zu bytes\n", __func__, - pcpu_nr_slots * sizeof(pcpu_chunk_lists[0])); for (i = 0; i < pcpu_nr_slots; i++) INIT_LIST_HEAD(&pcpu_chunk_lists[i]); @@ -3155,25 +3127,19 @@ void __init __weak pcpu_populate_pte(unsigned long addr) pmd_t *pmd; if (pgd_none(*pgd)) { - p4d = memblock_alloc(P4D_TABLE_SIZE, P4D_TABLE_SIZE); - if (!p4d) - goto err_alloc; + p4d = memblock_alloc_or_panic(P4D_TABLE_SIZE, P4D_TABLE_SIZE); pgd_populate(&init_mm, pgd, p4d); } p4d = p4d_offset(pgd, addr); if (p4d_none(*p4d)) { - pud = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE); - if (!pud) - goto err_alloc; + pud = memblock_alloc_or_panic(PUD_TABLE_SIZE, PUD_TABLE_SIZE); p4d_populate(&init_mm, p4d, pud); } pud = pud_offset(p4d, addr); if (pud_none(*pud)) { - pmd = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE); - if (!pmd) - goto err_alloc; + pmd = memblock_alloc_or_panic(PMD_TABLE_SIZE, PMD_TABLE_SIZE); pud_populate(&init_mm, pud, pmd); } @@ -3181,16 +3147,11 @@ void __init __weak pcpu_populate_pte(unsigned long addr) if (!pmd_present(*pmd)) { pte_t *new; - new = memblock_alloc(PTE_TABLE_SIZE, PTE_TABLE_SIZE); - if (!new) - goto err_alloc; + new = memblock_alloc_or_panic(PTE_TABLE_SIZE, PTE_TABLE_SIZE); pmd_populate_kernel(&init_mm, pmd, new); } return; - -err_alloc: - panic("%s: Failed to allocate memory\n", __func__); } /** @@ -3237,10 +3198,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size, pcpu_fc_cpu_to_node_fn_t /* unaligned allocations can't be freed, round up to page size */ pages_size = PFN_ALIGN(unit_pages * num_possible_cpus() * sizeof(pages[0])); - pages = memblock_alloc(pages_size, SMP_CACHE_BYTES); - if (!pages) - panic("%s: Failed to allocate %zu bytes\n", __func__, - pages_size); + pages = memblock_alloc_or_panic(pages_size, SMP_CACHE_BYTES); /* allocate pages */ j = 0; diff --git a/mm/sparse.c b/mm/sparse.c index 13b6624d3562..133b033d0cba 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -257,10 +257,7 @@ static void __init memblocks_present(void) size = sizeof(struct mem_section *) * NR_SECTION_ROOTS; align = 1 << (INTERNODE_CACHE_SHIFT); - mem_section = memblock_alloc(size, align); - if (!mem_section) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, size, align); + mem_section = memblock_alloc_or_panic(size, align); } #endif -- 2.25.1
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