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-rw-r--r--include/linux/cgroup.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 836b355..9e9b7ef 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; }
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