diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index 651ff08..0b9bfbd 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -30,3 +30,9 @@
 #endif
 
 /* */
+
+#ifdef CONFIG_FAIR_CGROUP_SCHED
+SUBSYS(cpu_cgroup)
+#endif
+
+/* */