On Fri, Jan 20, 2012 at 12:26:58PM +0900, KAMEZAWA Hiroyuki wrote: > I think this version is much simplified. > > == > >From 5700a4fe9c581e1ebaa021ba6119dc8d921b024f Mon Sep 17 00:00:00 2001 > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > Date: Thu, 19 Jan 2012 17:09:41 +0900 > Subject: [PATCH v3] memcg: remove PCG_CACHE > > We record 'the page is cache' by PCG_CACHE bit to page_cgroup. > Here, "CACHE" means anonymous user pages (and SwapCache). This > doesn't include shmem. > > Consdering callers, at charge/uncharge, the caller should know > what the page is and we don't need to record it by using 1bit > per page. > > This patch removes PCG_CACHE bit and make callers of > mem_cgroup_charge_statistics() to specify what the page is. > > Changelog since v2 > - removed 'not_rss', added 'anon' > - changed a meaning of arguments to mem_cgroup_charge_statisitcs() > - removed a patch to mem_cgroup_uncharge_cache > - simplified comment. > > Changelog since RFC. > - rebased onto memcg-devel > - rename 'file' to 'not_rss' > - some cleanup and added comment. > > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Apart from Michal's rss -> anon renaming suggestion, which I agree with: Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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>