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authorTejun Heo <tj@kernel.org>2012-11-09 21:12:29 +0400
committerTejun Heo <tj@kernel.org>2012-11-09 21:12:29 +0400
commiteb6fd5040ee799009173daa49c3e7aa0362167c9 (patch)
tree16d837a4479b25d379b558d850431fb3b7291dd1 /include/linux/cgroup.h
parenta8638030f668884720b8f4456448d0ce33952b05 (diff)
downloadlinux-eb6fd5040ee799009173daa49c3e7aa0362167c9.tar.xz
cgroup: use rculist ops for cgroup->children
Use RCU safe list operations for cgroup->children. This will be used to implement cgroup children / descendant walking which can be used by controllers. Note that cgroup_create() now puts a new cgroup at the end of the ->children list instead of head. This isn't strictly necessary but is done so that the iteration order is more conventional. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Michal Hocko <mhocko@suse.cz> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b4421221111d..90c33ebdd6bc 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -12,6 +12,7 @@
#include <linux/cpumask.h>
#include <linux/nodemask.h>
#include <linux/rcupdate.h>
+#include <linux/rculist.h>
#include <linux/cgroupstats.h>
#include <linux/prio_heap.h>
#include <linux/rwsem.h>