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-rw-r--r--arch/x86/include/asm/pgtable.h6
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)
434 return !pte.pte; 434 return !pte.pte;
435} 435}
436 436
437#define __HAVE_ARCH_PTE_SAME
438static inline int pte_same(pte_t a, pte_t b)
439{
440 return a.pte == b.pte;
441}
442
437#endif /* __ASSEMBLY__ */ 443#endif /* __ASSEMBLY__ */
438 444
439#ifdef CONFIG_X86_32 445#ifdef CONFIG_X86_32