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cgroup: remove cgrp->top_cgroup

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It's not used, and it can be retrieved via cgrp->root->top_cgroup.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Li Zefan 2013-04-15 14:25:05 +08:00 • committed by Tejun Heo
parent 873fe09ea5
commit 05fb22ec54
2 changed files with 0 additions and 3 deletions
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include/linux/cgroup.h
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@ -204,7 +204,6 @@ struct cgroup {
struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
struct cgroupfs_root *root;
struct cgroup *top_cgroup;
/*
* List of cg_cgroup_links pointing at css_sets with