Obviously, setting anon_vma for COWed hugepage should be done by hugepage_add_new_anon_rmap() to scan vmas faster. This patch fixes it. Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> --- mm/hugetlb.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git v2.6.36-rc3/mm/hugetlb.c v2.6.36-rc3/mm/hugetlb.c index cc5be78..9519f3f 100644 --- v2.6.36-rc3/mm/hugetlb.c +++ v2.6.36-rc3/mm/hugetlb.c @@ -2404,7 +2404,7 @@ retry_avoidcopy: set_huge_pte_at(mm, address, ptep, make_huge_pte(vma, new_page, 1)); page_remove_rmap(old_page); - hugepage_add_anon_rmap(new_page, vma, address); + hugepage_add_new_anon_rmap(new_page, vma, address); /* Make the old page be freed below */ new_page = old_page; mmu_notifier_invalidate_range_end(mm, -- 1.7.2.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>