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Commit cd67f0d2 authored by Naoya Horiguchi's avatar Naoya Horiguchi Committed by Linus Torvalds
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hugetlb, rmap: use hugepage_add_new_anon_rmap() in hugetlb_cow() 



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: default avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: default avatarAndrea Arcangeli <aarcange@redhat.com>
Reviewed-by: default avatarRik van Riel <riel@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 433abed6

mm/hugetlb.c

+1 −1
Original line number Diff line number Diff line
@@ -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,