1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index ff20b677fb9f..22254c1fe1c5 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -412,6 +412,7 @@ struct cgroup {
          * specific task are charged to the dom_cgrp.
          */
         struct cgroup *dom_cgrp;
+        struct cgroup *old_dom_cgrp;            /* used while enabling threaded */
 
         /* per-cpu recursive resource statistics */
         struct cgroup_rstat_cpu __percpu *rstat_cpu;