1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index e929d43753c5..17fcc17d6b4f 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -440,6 +440,11 @@ static inline int pte_same(pte_t a, pte_t b)
         return a.pte == b.pte;
 }
 
+static inline int pte_present(pte_t a)
+{
+        return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
+}
+
 #endif  /* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32