x86: unify pte_same

Impact: cleanup

Unify and demacro pte_same.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 841e573b27fe..e929d43753c5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -434,6 +434,12 @@ static inline int pte_none(pte_t pte)
         return !pte.pte;
 }
 
+#define __HAVE_ARCH_PTE_SAME
+static inline int pte_same(pte_t a, pte_t b)
+{
+        return a.pte == b.pte;
+}
+
 #endif  /* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32