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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-12-04 13:07:19 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-12-08 11:42:40 +0300 |
| commit | 9de45f736f21655400fd56b85bfbaf507cc2959d (patch) | |
| tree | 0058242cb673d931d76cf40e43aeb152355eca42 /arch/s390/include/asm/tlb.h | |
| parent | 86ed42f401cb8fa54a8c553e075ea411caac7404 (diff) | |
| download | linux-9de45f736f21655400fd56b85bfbaf507cc2959d.tar.xz | |
s390/mm: fix memory leak of ptlock in pmd_free_tlb
The pmd_free_tlb function fails to call pgtable_pmd_page_dtor.
Without the call the ptlock for the pmd tables will not be freed.
Add the missing call.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/tlb.h')
| -rw-r--r-- | arch/s390/include/asm/tlb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 572c59949004..06d8741ad6f4 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -121,6 +121,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, #ifdef CONFIG_64BIT if (tlb->mm->context.asce_limit <= (1UL << 31)) return; + pgtable_pmd_page_dtor(virt_to_page(pmd)); tlb_remove_table(tlb, pmd); #endif } |