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authorIngo Molnar <mingo@elte.hu>2008-03-03 11:53:17 +0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 19:40:52 +0400
commit9fc34113f6880b215cbea4e7017fc818700384c2 (patch)
tree588ae8053ae866cac9dc174b3bf403a7ebe44365 /arch/x86/mm/pgtable_32.c
parent40869cd038a0ecb867a7227aba46806224e4d11d (diff)
downloadlinux-9fc34113f6880b215cbea4e7017fc818700384c2.tar.xz
x86: debug pmd_bad()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pgtable_32.c')
-rw-r--r--arch/x86/mm/pgtable_32.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 2f9e9afcb9f4..76e4f4d26272 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -381,3 +381,10 @@ void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
}
#endif
+
+int pmd_bad(pmd_t pmd)
+{
+ WARN_ON_ONCE(pmd_bad_v1(pmd) != pmd_bad_v2(pmd));
+
+ return pmd_bad_v1(pmd);
+}