From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759522AbYG1CaP (ORCPT ); Sun, 27 Jul 2008 22:30:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751849AbYG1CaB (ORCPT ); Sun, 27 Jul 2008 22:30:01 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:57117 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751710AbYG1CaA (ORCPT ); Sun, 27 Jul 2008 22:30:00 -0400 Message-ID: <488D2ECB.2070801@cn.fujitsu.com> Date: Mon, 28 Jul 2008 10:28:27 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Andrew Morton CC: Balbir Singh , KAMEZAWA Hiroyuki , LKML , Linux Containers Subject: [PATCH] memcg: remove redundant check in move_task() Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's guaranteed by cgroup that old_cgrp != cgrp. Signed-off-by: Li Zefan --- mm/memcontrol.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fba566c..7056c3b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1168,9 +1168,6 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss, mem = mem_cgroup_from_cont(cont); old_mem = mem_cgroup_from_cont(old_cont); - if (mem == old_mem) - goto out; - /* * Only thread group leaders are allowed to migrate, the mm_struct is * in effect owned by the leader -- 1.5.4.rc3