On Tue, Jan 24, 2012 at 12:41 AM, Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > On Mon, Jan 23, 2012 at 12:11:11PM -0800, Ying Han wrote: >> On Wed, Jan 18, 2012 at 11:14 PM, KAMEZAWA Hiroyuki >> <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: >> > Thank you very much for reviewing previous RFC series. >> > This is a patch against memcg-devel and linux-next (can by applied without HUNKs). >> > >> > == >> > >> > From 64641b360839b029bb353fbd95f7554cc806ed05 Mon Sep 17 00:00:00 2001 >> > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> >> > Date: Thu, 12 Jan 2012 16:08:33 +0900 >> > Subject: [PATCH] memcg: remove unnecessary thp check in mem_cgroup_update_page_stat() >> > >> > commit 58b318ecf(memcg-devel) >> > memcg: make mem_cgroup_split_huge_fixup() more efficient >> > removes move_lock_page_cgroup() in thp-split path. >> > >> > So, We do not have to check PageTransHuge in mem_cgroup_update_page_stat >> > and fallback into the locked accounting because both move charge and thp >> > split up are done with compound_lock so they cannot race. update vs. >> > move is protected by the mem_cgroup_stealed sufficiently. >> >> Sorry, i don't see we changed the "move charge" to "move account" ? > > move_account() moves charges. IMO, it's the function that is a > misnomer and "moving charges" is less ambiguous since we account > several different things in the memory controller. Hmm, that works then. Acked-by: Ying Han<yinghan@xxxxxxxxxx> --Ying -- 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