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cgroup: move list add after list head initilization 

2243076ad1 ("cgroup: initialize cgrp->allcg_node in
init_cgroup_housekeeping()") initializes cgrp->allcg_node in
init_cgroup_housekeeping().  Then in init_cgroup_root(), we should
call init_cgroup_housekeeping() before adding it to &root->allcg_list;
otherwise, we are initializing an entry already in a list.

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Li Zhong 2012-11-28 17:15:21 +08:00 committed by Tejun Heo
parent 811d8d6ff5
commit fddfb02ad0
1 changed files with 1 additions and 1 deletions
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2
kernel/cgroup.c
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@ -1401,8 +1401,8 @@ static void init_cgroup_root(struct cgroupfs_root *root)
root->number_of_cgroups = 1;
cgrp->root = root;
cgrp->top_cgroup = cgrp;
list_add_tail(&cgrp->allcg_node, &root->allcg_list);
init_cgroup_housekeeping(cgrp);
list_add_tail(&cgrp->allcg_node, &root->allcg_list);
}
static bool init_root_id(struct cgroupfs_root *root)