From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx173.postini.com [74.125.245.173]) by kanga.kvack.org (Postfix) with SMTP id 26D7B6B00F3 for ; Fri, 27 Apr 2012 14:20:24 -0400 (EDT) Received: by dadq36 with SMTP id q36so1411366dad.8 for ; Fri, 27 Apr 2012 11:20:23 -0700 (PDT) Date: Fri, 27 Apr 2012 11:20:18 -0700 From: Tejun Heo Subject: Re: [RFC][PATCH 4/7 v2] memcg: use res_counter_uncharge_until in move_parent Message-ID: <20120427182018.GI26595@google.com> References: <4F9A327A.6050409@jp.fujitsu.com> <4F9A34B2.8080103@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4F9A34B2.8080103@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org List-ID: To: KAMEZAWA Hiroyuki Cc: Linux Kernel , "linux-mm@kvack.org" , "cgroups@vger.kernel.org" , Michal Hocko , Johannes Weiner , Frederic Weisbecker , Glauber Costa , Han Ying , "Aneesh Kumar K.V" , Andrew Morton , kamezawa.hiroyuki@gmail.com On Fri, Apr 27, 2012 at 02:54:58PM +0900, KAMEZAWA Hiroyuki wrote: > By using res_counter_uncharge_until(), we can avoid > unnecessary charging. > > Signed-off-by: KAMEZAWA Hiroyuki > --- > mm/memcontrol.c | 63 ++++++++++++++++++++++++++++++++++++------------------ > 1 files changed, 42 insertions(+), 21 deletions(-) > > diff --git a/mm/memcontrol.c b/mm/memcontrol.c > index 613bb15..ed53d64 100644 > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -2420,6 +2420,24 @@ static void __mem_cgroup_cancel_charge(struct mem_cgroup *memcg, > } > > /* > + * Cancel chages in this cgroup....doesn't propagates to parent cgroup. ^typo ^ unnecessary s -- tejun -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org