[PATCH 36 of 36] x86: make the X_bad functions consistent

[Jeremy Fitzhardinge]

Impact: cleanup

Use the same logic to implement all 3 _bad() functions.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
 arch/x86/include/asm/pgtable.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -554,7 +554,7 @@
 
 static inline int pmd_bad(pmd_t pmd)
 {
-	return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE;
+	return (pmd_flags(pmd) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0;
 }
 
 static inline unsigned long pages_to_mb(unsigned long npg)
@@ -638,7 +638,7 @@
 
 static inline int pgd_bad(pgd_t pgd)
 {
-	return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE;
+	return (pgd_flags(pgd) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0;
 }
 
 static inline int pgd_none(pgd_t pgd)


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