diff --git a/kernel/cgroup/legacy_freezer.c b/kernel/cgroup/legacy_freezer.c
index 08236798d173..081d026f13db 100644
--- a/kernel/cgroup/legacy_freezer.c
+++ b/kernel/cgroup/legacy_freezer.c
@@ -479,3 +479,4 @@ struct cgroup_subsys freezer_cgrp_subsys = {
 	.fork		= freezer_fork,
 	.legacy_cftypes	= files,
 };
+EXPORT_SYMBOL_GPL(freezer_cgrp_subsys);