x86/pgtable.h: demacro ptep_set_access_flags
Jeremy Fitzhardinge [Mon, 17 Mar 2008 23:37:03 +0000 (16:37 -0700)]
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>

arch/x86/mm/pgtable.c
include/asm-x86/pgtable.h

index 5accc08..e7cda20 100644 (file)
@@ -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;
+}
index f1d9f4a..feddddc 100644 (file)
@@ -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) ({                  \