Messages in this thread Patch in this message | | | Date | Wed, 3 Oct 2012 14:10:41 -0700 (PDT) | From | David Rientjes <> | Subject | [patch -mm] mm, thp: fix mlock statistics fix |
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On Wed, 3 Oct 2012, Andrew Morton wrote:
> The free_page_mlock() hunk gets dropped because free_page_mlock() is > removed. And clear_page_mlock() doesn't need this treatment. But > please check my handiwork. >
I reviewed what was merged into -mm and clear_page_mlock() does need this fix as well. It's an easy fix, there's no need to pass "anon" into clear_page_mlock() since PageHuge() is already checked in its only caller.
mm, thp: fix mlock statistics fix
Signed-off-by: David Rientjes <rientjes@google.com> --- mm/mlock.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/mm/mlock.c b/mm/mlock.c --- a/mm/mlock.c +++ b/mm/mlock.c @@ -56,7 +56,8 @@ void clear_page_mlock(struct page *page) if (!TestClearPageMlocked(page)) return; - dec_zone_page_state(page, NR_MLOCK); + mod_zone_page_state(page_zone(page), NR_MLOCK, + -hpage_nr_pages(page)); count_vm_event(UNEVICTABLE_PGCLEARED); if (!isolate_lru_page(page)) { putback_lru_page(page);
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