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| author | Ingo Molnar <mingo@elte.hu> | 2008-03-03 09:53:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:52 +0200 |
| commit | 9fc34113f6880b215cbea4e7017fc818700384c2 (patch) | |
| tree | 588ae8053ae866cac9dc174b3bf403a7ebe44365 /arch/x86/mm | |
| parent | 40869cd038a0ecb867a7227aba46806224e4d11d (diff) | |
| download | linux-9fc34113f6880b215cbea4e7017fc818700384c2.tar.bz2 | |
x86: debug pmd_bad()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pgtable_32.c | 7 |
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); +} |