1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 18ef7ebf2631..c5a08079ad5e 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -317,6 +317,15 @@ static inline int pte_present(pte_t a)
         return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
 }
 
+static inline int pte_hidden(pte_t x)
+{
+#ifdef CONFIG_KMEMCHECK
+        return pte_flags(x) & _PAGE_HIDDEN;
+#else
+        return 0;
+#endif
+}
+
 static inline int pmd_present(pmd_t pmd)
 {
         return pmd_flags(pmd) & _PAGE_PRESENT;