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authorIngo Molnar <mingo@elte.hu>2008-07-08 14:24:29 +0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 14:24:29 +0400
commit6236af82d8a989e150a02800c210eb61cb1e17be (patch)
treed5e83e66b09fc405ac70925f9b83152abaf48a03 /arch/x86/mm/pgtable.c
parente3ae0acf59244ecf5b023ec99cef4b6b29d649bc (diff)
parent8b7ef4ec5b1ac8b6feebf5ae9cda85a7514728f8 (diff)
downloadlinux-6236af82d8a989e150a02800c210eb61cb1e17be.tar.xz
Merge branch 'x86/fixmap' into x86/devel
Conflicts: arch/x86/mm/init_64.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pgtable.c')
-rw-r--r--arch/x86/mm/pgtable.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index ee1d6d39edd4..45b99ac39480 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -2,6 +2,7 @@
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
+#include <asm/fixmap.h>
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
@@ -274,3 +275,22 @@ int ptep_clear_flush_young(struct vm_area_struct *vma,
return young;
}
+
+int fixmaps_set;
+
+void __native_set_fixmap(enum fixed_addresses idx, pte_t pte)
+{
+ unsigned long address = __fix_to_virt(idx);
+
+ if (idx >= __end_of_fixed_addresses) {
+ BUG();
+ return;
+ }
+ set_pte_vaddr(address, pte);
+ fixmaps_set++;
+}
+
+void native_set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
+{
+ __native_set_fixmap(idx, pfn_pte(phys >> PAGE_SHIFT, flags));
+}