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authorTejun Heo <tj@kernel.org>2012-04-01 12:09:54 -0700
committerTejun Heo <tj@kernel.org>2012-04-01 12:09:54 -0700
commitb0ca5a84fc3ad8f75bb2b7ac3dc6a77151cd3906 (patch)
tree87dcdec8c3104ed00b34518b4dc1837e8c03d837 /include/linux/cgroup.h
parentff4c8d503e2583b485da46d0ec3dcc29639ab889 (diff)
cgroup: build list of all cgroups under a given cgroupfs_root
Build a list of all cgroups anchored at cgroupfs_root->allcg_list and going through cgroup->allcg_node. The list is protected by cgroup_mutex and will be used to improve cgroup file handling. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 5a85b3415c1..ad2a14680b7 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -191,6 +191,8 @@ struct cgroup {
*/
struct list_head css_sets;
+ struct list_head allcg_node; /* cgroupfs_root->allcg_list */
+
/*
* Linked list running through all cgroups that can
* potentially be reaped by the release agent. Protected by