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authorJeremy Fitzhardinge <jeremy@goop.org>2008-03-17 16:37:03 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-24 23:57:31 +0200
commitee5aa8d3ba65d76157f22b7afedd089d8acfe524 (patch)
treebddbec4ffd9508c3bd7afaeebc15b28226022b6d
parent2761fa0920756dc471d297843646a4a9bca6656f (diff)
downloadop-kernel-dev-ee5aa8d3ba65d76157f22b7afedd089d8acfe524.zip
op-kernel-dev-ee5aa8d3ba65d76157f22b7afedd089d8acfe524.tar.gz
x86/pgtable.h: demacro ptep_set_access_flags
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/x86/mm/pgtable.c16
-rw-r--r--include/asm-x86/pgtable.h13
2 files changed, 19 insertions, 10 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 5accc08..e7cda20 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -1,5 +1,6 @@
#include <linux/mm.h>
#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
#include <asm/tlb.h>
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
@@ -264,3 +265,18 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd)
free_page((unsigned long)pgd);
}
#endif
+
+int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty)
+{
+ int changed = !pte_same(*ptep, entry);
+
+ if (changed && dirty) {
+ *ptep = entry;
+ pte_update_defer(vma->vm_mm, address, ptep);
+ flush_tlb_page(vma, address);
+ }
+
+ return changed;
+}
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index f1d9f4a..feddddc 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -389,16 +389,9 @@ static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr,
* bit at the same time.
*/
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
-#define ptep_set_access_flags(vma, address, ptep, entry, dirty) \
-({ \
- int __changed = !pte_same(*(ptep), entry); \
- if (__changed && dirty) { \
- *ptep = entry; \
- pte_update_defer((vma)->vm_mm, (address), (ptep)); \
- flush_tlb_page(vma, address); \
- } \
- __changed; \
-})
+extern int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty);
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
#define ptep_test_and_clear_young(vma, addr, ptep) ({ \
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