diff options
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index fa35323a3c5b..5ecc2cf3e1d7 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1673,9 +1673,7 @@ static void unmap_region(struct mm_struct *mm, lru_add_drain(); tlb = tlb_gather_mmu(mm, 0); update_hiwater_rss(mm); - spin_lock(&mm->page_table_lock); - unmap_vmas(&tlb, mm, vma, start, end, &nr_accounted, NULL); - spin_unlock(&mm->page_table_lock); + unmap_vmas(&tlb, vma, start, end, &nr_accounted, NULL); vm_unacct_memory(nr_accounted); free_pgtables(&tlb, vma, prev? prev->vm_end: FIRST_USER_ADDRESS, next? next->vm_start: 0); @@ -1958,9 +1956,7 @@ void exit_mmap(struct mm_struct *mm) tlb = tlb_gather_mmu(mm, 1); /* Don't update_hiwater_rss(mm) here, do_exit already did */ /* Use -1 here to ensure all VMAs in the mm are unmapped */ - spin_lock(&mm->page_table_lock); - end = unmap_vmas(&tlb, mm, vma, 0, -1, &nr_accounted, NULL); - spin_unlock(&mm->page_table_lock); + end = unmap_vmas(&tlb, vma, 0, -1, &nr_accounted, NULL); vm_unacct_memory(nr_accounted); free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0); tlb_finish_mmu(tlb, 0, end); |