From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 2 Jul 2008 21:10:57 +0900 From: KAMEZAWA Hiroyuki Subject: [RFC][-mm] [3/7] add shmem page to active list. Message-Id: <20080702211057.7a7cf3dc.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20080702210322.518f6c43.kamezawa.hiroyu@jp.fujitsu.com> References: <20080702210322.518f6c43.kamezawa.hiroyu@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: "linux-mm@kvack.org" , "balbir@linux.vnet.ibm.com" , "xemul@openvz.org" , "nishimura@mxp.nes.nec.co.jp" , "yamamoto@valinux.co.jp" , "hugh@veritas.com" , "kosaki.motohiro@jp.fujitsu.com" List-ID: Original one is Hugh Dickins's http://marc.info/?l=linux-kernel&m=121469899304590&w=2 Not necessary if his one is merged. add shmem's page to active list when we link it to memcg's lru. need discussion ? Signed-off-by: KAMEZAWA Hiroyuki mm/memcontrol.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: test-2.6.26-rc5-mm3++/mm/memcontrol.c =================================================================== --- test-2.6.26-rc5-mm3++.orig/mm/memcontrol.c +++ test-2.6.26-rc5-mm3++/mm/memcontrol.c @@ -575,7 +575,10 @@ static int mem_cgroup_charge_common(stru if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE) pc->flags = PAGE_CGROUP_FLAG_FILE; else - pc->flags = PAGE_CGROUP_FLAG_ACTIVE; + pc->flags = 0; + /* anonymous page and shmem pages are started from active list */ + if (!page_is_file_cache(page)) + pc->flags |= PAGE_CGROUP_FLAG_ACTIVE; lock_page_cgroup(page); if (unlikely(page_get_page_cgroup(page))) { -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org