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-rw-r--r--include/linux/cgroup-defs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 4a6b6b77ccb6..4caab0c6b361 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -563,6 +563,7 @@ struct cgroup_root {
/* A list running through the active hierarchies */
struct list_head root_list;
+ struct rcu_head rcu;
/* Hierarchy-specific flags */
unsigned int flags;