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-rw-r--r--arch/x86/mm/pgtable.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 54bd77a..af0c501 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -295,3 +295,15 @@ int ptep_test_and_clear_young(struct vm_area_struct *vma,
return ret;
}
+
+int ptep_clear_flush_young(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep)
+{
+ int young;
+
+ young = ptep_test_and_clear_young(vma, address, ptep);
+ if (young)
+ flush_tlb_page(vma, address);
+
+ return young;
+}