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-rw-r--r--arch/x86/mm/pgtable.c15
-rw-r--r--include/asm-x86/pgtable.h11
2 files changed, 17 insertions, 9 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index e7cda20..54bd77a 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -280,3 +280,18 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
+
+int ptep_test_and_clear_young(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep)
+{
+ int ret = 0;
+
+ if (pte_young(*ptep))
+ ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,
+ &ptep->pte);
+
+ if (ret)
+ pte_update(vma->vm_mm, addr, ptep);
+
+ return ret;
+}
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index feddddc..676408c 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -394,15 +394,8 @@ extern int ptep_set_access_flags(struct vm_area_struct *vma,
pte_t entry, int dirty);
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define ptep_test_and_clear_young(vma, addr, ptep) ({ \
- int __ret = 0; \
- if (pte_young(*(ptep))) \
- __ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, \
- &(ptep)->pte); \
- if (__ret) \
- pte_update((vma)->vm_mm, addr, ptep); \
- __ret; \
-})
+extern int ptep_test_and_clear_young(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
#define ptep_clear_flush_young(vma, address, ptep) \