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-rw-r--r--arch/x86/include/asm/pgtable.h9
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;