From: Johannes Weiner <jweiner@xxxxxxxxxx> 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@xxxxxxxxxx> --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>