[PATCH 1/2] thp: fix anononymous page accounting in fallback path for COW of HZP
From: Kirill A. Shutemov <hidden>
Date: 2012-11-30 15:02:42
Also in:
lkml
Subsystem:
memory management, memory management - thp (transparent huge page), the rest · Maintainers:
Andrew Morton, David Hildenbrand, Lorenzo Stoakes, Linus Torvalds
From: "Kirill A. Shutemov" <redacted> Don't forget to account newly allocated page in fallback path for copy-on-write of huge zero page. Signed-off-by: Kirill A. Shutemov <redacted> --- mm/huge_memory.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 57f0024..9d6f521 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c@@ -1164,6 +1164,7 @@ static int do_huge_pmd_wp_zero_page_fallback(struct mm_struct *mm, pmd_populate(mm, pmd, pgtable); spin_unlock(&mm->page_table_lock); put_huge_zero_page(); + inc_mm_counter(mm, MM_ANONPAGES); mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
--
1.7.11.7
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