From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752455Ab3GXJ7Y (ORCPT ); Wed, 24 Jul 2013 05:59:24 -0400 Received: from szxga01-in.huawei.com ([119.145.14.64]:5386 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751626Ab3GXJ7W (ORCPT ); Wed, 24 Jul 2013 05:59:22 -0400 Message-ID: <51EFA554.6080801@huawei.com> Date: Wed, 24 Jul 2013 17:58:44 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: Tejun Heo CC: Andrew Morton , Glauber Costa , KAMEZAWA Hiroyuki , Michal Hocko , Johannes Weiner , LKML , Cgroups , Subject: [PATCH v2 0/8] memcg, cgroup: kill css_id Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.135.68.215] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset converts memcg to use cgroup->id, and then we can remove cgroup css_id. As we've removed memcg's own refcnt, converting memcg to use cgroup->id is very straight-forward. The patchset is based on Tejun's cgroup tree. Li Zefan (8): cgroup: convert cgroup_ida to cgroup_idr cgroup: document how cgroup IDs are assigned cgroup: implement cgroup_from_id() memcg: convert to use cgroup_is_descendant() memcg: convert to use cgroup id memcg: fail to create cgroup if the cgroup id is too big memcg: stop using css id cgroup: kill css_id -- include/linux/cgroup.h | 49 ++------- kernel/cgroup.c | 308 ++++++++----------------------------------------------- mm/memcontrol.c | 59 ++++++----- 3 files changed, 90 insertions(+), 326 deletions(-)