memcg: handle swap caches

[mirror_ubuntu-zesty-kernel.git] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 81c825f67a7f5bebfad1750d660551e2e2f9f2c3..09291ca11f5f60e1ce545f3bafaddba784886018 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -118,6 +118,7 @@ void __delete_from_swap_cache(struct page *page)
        total_swapcache_pages--;
        __dec_zone_page_state(page, NR_FILE_PAGES);
        INC_CACHE_INFO(del_total);
+       mem_cgroup_uncharge_swapcache(page);
 }
 
 /**