From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: [PATCH v3 0/8] memcg, cgroup: kill css_id Date: Mon, 29 Jul 2013 15:07:30 +0800 Message-ID: <51F614B2.6010503@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Tejun Heo Cc: Andrew Morton , Glauber Costa , KAMEZAWA Hiroyuki , Michal Hocko , Johannes Weiner , LKML , Cgroups , linux-mm@kvack.org List-Id: linux-mm.kvack.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. v2->v3: - some minor cleanups suggested by Michal. - fixed the call to idr_alloc() in cgroup_init() in the first patch. 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 | 296 ++++++++--------------------------------------------------- mm/memcontrol.c | 68 ++++++++------ 3 files changed, 91 insertions(+), 322 deletions(-)