| From | Johannes Weiner <> | Subject | [patch 6/8] mm: memcg: remove unneeded checks from uncharge_page() | Date | Wed, 23 Nov 2011 16:42:29 +0100 |
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From: Johannes Weiner <jweiner@redhat.com>
mem_cgroup_uncharge_page() is only called on either freshly allocated pages without page->mapping or on rmapped PageAnon() pages. There is no need to check for a page->mapping that is not an anon_vma.
Signed-off-by: Johannes Weiner <jweiner@redhat.com> --- mm/memcontrol.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 0d10be4..b9a3b94 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2989,8 +2989,6 @@ void mem_cgroup_uncharge_page(struct page *page) /* early check. */ if (page_mapped(page)) return; - if (page->mapping && !PageAnon(page)) - return; __mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_MAPPED); } -- 1.7.6.4
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