1 files changed, 9 insertions, 2 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 836b3557bb76..9e9b7efa180b 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -77,10 +77,11 @@ static inline void css_get(struct cgroup_subsys_state *css)
  * css_get()
  */
 
+extern void __css_put(struct cgroup_subsys_state *css);
 static inline void css_put(struct cgroup_subsys_state *css)
 {
         if (!test_bit(CSS_ROOT, &css->flags))
-                atomic_dec(&css->refcnt);
+                __css_put(css);
 }
 
 struct cgroup {
@@ -112,6 +113,13 @@ struct cgroup {
          * tasks in this cgroup. Protected by css_set_lock
          */
         struct list_head css_sets;
+
+        /*
+         * Linked list running through all cgroups that can
+         * potentially be reaped by the release agent. Protected by
+         * release_list_lock
+         */
+        struct list_head release_list;
 };
 
 /* A css_set is a structure holding pointers to a set of
@@ -293,7 +301,6 @@ struct task_struct *cgroup_iter_next(struct cgroup *cont,
                                         struct cgroup_iter *it);
 void cgroup_iter_end(struct cgroup *cont, struct cgroup_iter *it);
 
-
 #else /* !CONFIG_CGROUPS */
 
 static inline int cgroup_init_early(void) { return 0; }