cgroups: __rcu annotations

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 192f88c5b0f9..e5c5497a7dca 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -138,7 +138,7 @@ struct css_id {
          * is called after synchronize_rcu(). But for safe use, css_is_removed()
          * css_tryget() should be used for avoiding race.
          */
-        struct cgroup_subsys_state *css;
+        struct cgroup_subsys_state __rcu *css;
         /*
          * ID of this css.
          */