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authorLi Zefan <lizefan@huawei.com>2013-04-15 14:25:05 +0800
committerTejun Heo <tj@kernel.org>2013-04-14 23:26:10 -0700
commit05fb22ec5456a472a5eadcaacb3e51eca1f8c79c (patch)
tree37be0dd3b40b8bf6fc3f4933703543423c39d311 /kernel/cgroup.c
parent873fe09ea5df6ccf6bb34811d8c9992aacb67598 (diff)
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cgroup: remove cgrp->top_cgroup
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>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 67804590d4b..c16719e056a 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1418,7 +1418,6 @@ static void init_cgroup_root(struct cgroupfs_root *root)
root->number_of_cgroups = 1;
cgrp->root = root;
cgrp->name = &root_cgroup_name;
- cgrp->top_cgroup = cgrp;
init_cgroup_housekeeping(cgrp);
list_add_tail(&cgrp->allcg_node, &root->allcg_list);
}
@@ -4145,7 +4144,6 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
cgrp->parent = parent;
cgrp->root = parent->root;
- cgrp->top_cgroup = parent->top_cgroup;
if (notify_on_release(parent))
set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);