diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/huge_memory.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 68a3c93036f6..a863af26c79c 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c | |||
@@ -1024,9 +1024,10 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, | |||
1024 | if (__pmd_trans_huge_lock(pmd, vma) == 1) { | 1024 | if (__pmd_trans_huge_lock(pmd, vma) == 1) { |
1025 | struct page *page; | 1025 | struct page *page; |
1026 | pgtable_t pgtable; | 1026 | pgtable_t pgtable; |
1027 | pmd_t orig_pmd; | ||
1027 | pgtable = pgtable_trans_huge_withdraw(tlb->mm); | 1028 | pgtable = pgtable_trans_huge_withdraw(tlb->mm); |
1028 | page = pmd_page(*pmd); | 1029 | orig_pmd = pmdp_get_and_clear(tlb->mm, addr, pmd); |
1029 | pmd_clear(pmd); | 1030 | page = pmd_page(orig_pmd); |
1030 | tlb_remove_pmd_tlb_entry(tlb, pmd, addr); | 1031 | tlb_remove_pmd_tlb_entry(tlb, pmd, addr); |
1031 | page_remove_rmap(page); | 1032 | page_remove_rmap(page); |
1032 | VM_BUG_ON(page_mapcount(page) < 0); | 1033 | VM_BUG_ON(page_mapcount(page) < 0); |