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[Xen-devel] [PATCH] xen: x86: mark xen_find_pt_base as __init

gcc-4.6 causes a harmless link-time warning:

WARNING: vmlinux.o(.text.unlikely+0x48e): Section mismatch in reference from 
the function xen_find_pt_base() to the function .init.text:m2p()
The function xen_find_pt_base() references
the function __init m2p().
This is often because xen_find_pt_base lacks a __init
annotation or the annotation of m2p is wrong.

Newer compilers inline this function, so it never shows up, but marking
it __init is the right way to avoid the warning.

Fixes: 70e61199559a ("xen: move p2m list if conflicting with e820 map")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
 arch/x86/xen/mmu_pv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 509f560bd0c6..7330cb3b2283 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -2220,7 +2220,7 @@ static void __init xen_write_cr3_init(unsigned long cr3)
  * not the first page table in the page table pool.
  * Iterate through the initial page tables to find the real page table base.
-static phys_addr_t xen_find_pt_base(pmd_t *pmd)
+static phys_addr_t __init xen_find_pt_base(pmd_t *pmd)
        phys_addr_t pt_base, paddr;
        unsigned pmdidx;

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