From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Uncharge pages from correct counter.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index a23da8b..34e0385 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1368,10 +1368,12 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
spin_unlock(&tlb->mm->page_table_lock);
put_huge_zero_page();
} else {
+ int counter;
page = pmd_page(orig_pmd);
page_remove_rmap(page);
VM_BUG_ON(page_mapcount(page) < 0);
- add_mm_counter(tlb->mm, MM_ANONPAGES, -HPAGE_PMD_NR);
+ counter = PageAnon(page) ? MM_ANONPAGES : MM_FILEPAGES;
+ add_mm_counter(tlb->mm, counter, -HPAGE_PMD_NR);
VM_BUG_ON(!PageHead(page));
tlb->mm->nr_ptes--;
spin_unlock(&tlb->mm->page_table_lock);
--
1.7.10.4
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