diff --git a/kernel/srcu.c b/kernel/srcu.c
index c9d003bc6c49269c098c66771f237a116d1b2c7b..3e43a214b4dce6d22744f3604d30a2ba229d323e 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -421,6 +421,7 @@ static void __synchronize_srcu(struct srcu_struct *sp, int trycount)
 			   !lock_is_held(&rcu_sched_lock_map),
 			   "Illegal synchronize_srcu() in same-type SRCU (or RCU) read-side critical section");
 
+	might_sleep();
 	init_completion(&rcu.completion);
 
 	head->next = NULL;