diff --git a/init/main.c b/init/main.c
index f7fb200..a9cc3e0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -758,6 +758,7 @@
  */
 static void __init do_basic_setup(void)
 {
+	rcu_init_sched(); /* needed by module_init stage. */
 	/* drivers will send hotplug events */
 	init_workqueues();
 	usermodehelper_init();