From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx105.postini.com [74.125.245.105]) by kanga.kvack.org (Postfix) with SMTP id 03EDC6B0028 for ; Mon, 28 Jan 2013 19:18:40 -0500 (EST) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id AF7293EE0B5 for ; Tue, 29 Jan 2013 09:18:39 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 99D0D45DE52 for ; Tue, 29 Jan 2013 09:18:39 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 8240D45DE4D for ; Tue, 29 Jan 2013 09:18:39 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 760551DB802F for ; Tue, 29 Jan 2013 09:18:39 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.240.81.134]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 2A3A71DB803B for ; Tue, 29 Jan 2013 09:18:39 +0900 (JST) Message-ID: <51071551.8040903@jp.fujitsu.com> Date: Tue, 29 Jan 2013 09:18:25 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH v4 5/6] memcg: increment static branch right after limit set. References: <1358862461-18046-1-git-send-email-glommer@parallels.com> <1358862461-18046-6-git-send-email-glommer@parallels.com> In-Reply-To: <1358862461-18046-6-git-send-email-glommer@parallels.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Glauber Costa Cc: cgroups@vger.kernel.org, linux-mm@kvack.org, Tejun Heo , Michal Hocko , Johannes Weiner (2013/01/22 22:47), Glauber Costa wrote: > We were deferring the kmemcg static branch increment to a later time, > due to a nasty dependency between the cpu_hotplug lock, taken by the > jump label update, and the cgroup_lock. > > Now we no longer take the cgroup lock, and we can save ourselves the > trouble. > > Signed-off-by: Glauber Costa > Acked-by: Michal Hocko Acked-by: KAMEZAWA Hiroyuki -- 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