[Xen-changelog] New function direct_kernel_remap_pfn_range(). Like

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 4ac2051ec21e275753c77ca53322f1d635a46918
# Parent  27c8bc033f16e46619ca40ff38ebfaca238e5485
New function direct_kernel_remap_pfn_range(). Like
direct_remap_pfn_range but doesn't take a vma and implicitly
maps into init_mm.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 27c8bc033f16 -r 4ac2051ec21e 
linux-2.6-xen-sparse/arch/xen/i386/mm/ioremap.c
--- a/linux-2.6-xen-sparse/arch/xen/i386/mm/ioremap.c   Thu Oct 20 10:52:27 2005
+++ b/linux-2.6-xen-sparse/arch/xen/i386/mm/ioremap.c   Thu Oct 20 11:10:14 2005
@@ -123,9 +123,18 @@
        return __direct_remap_pfn_range(
                vma->vm_mm, address, mfn, size, prot, domid);
 }
-
 EXPORT_SYMBOL(direct_remap_pfn_range);
 
+int direct_kernel_remap_pfn_range(unsigned long address, 
+                                 unsigned long mfn,
+                                 unsigned long size, 
+                                 pgprot_t prot,
+                                 domid_t  domid)
+{
+       return __direct_remap_pfn_range(
+               &init_mm, address, mfn, size, prot, domid);
+}
+EXPORT_SYMBOL(direct_kernel_remap_pfn_range);
 
 /* FIXME: This is horribly broken on PAE */ 
 static int lookup_pte_fn(
diff -r 27c8bc033f16 -r 4ac2051ec21e 
linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable.h   Thu Oct 20 
10:52:27 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable.h   Thu Oct 20 
11:10:14 2005
@@ -455,6 +455,11 @@
                             unsigned long size, 
                             pgprot_t prot,
                             domid_t  domid);
+int direct_kernel_remap_pfn_range(unsigned long address, 
+                                 unsigned long mfn,
+                                 unsigned long size, 
+                                 pgprot_t prot,
+                                 domid_t  domid);
 int create_lookup_pte_addr(struct mm_struct *mm,
                            unsigned long address,
                            unsigned long *ptep);
diff -r 27c8bc033f16 -r 4ac2051ec21e 
linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/pgtable.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/pgtable.h Thu Oct 20 
10:52:27 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/pgtable.h Thu Oct 20 
11:10:14 2005
@@ -533,6 +533,12 @@
                             pgprot_t prot,
                             domid_t  domid);
 
+int direct_kernel_remap_pfn_range(unsigned long address, 
+                                 unsigned long mfn,
+                                 unsigned long size, 
+                                 pgprot_t prot,
+                                 domid_t  domid);
+
 int create_lookup_pte_addr(struct mm_struct *mm,
                            unsigned long address,
                            unsigned long *ptep);

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