1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 06bbcbd66e9c..841e573b27fe 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -429,6 +429,11 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
 }
 #endif  /* CONFIG_PARAVIRT */
 
+static inline int pte_none(pte_t pte)
+{
+        return !pte.pte;
+}
+
 #endif  /* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32