diff --git a/kernel/sched.c b/kernel/sched.c
index e8819bc6f462c18761c11861b4808fd28223b431..ad10d0aae1d7e6eb1787569291723dfcdf247dac 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2825,7 +2825,7 @@ static int double_lock_balance(struct rq *this_rq, struct rq *busiest)
 	return ret;
 }
 
-static void double_unlock_balance(struct rq *this_rq, struct rq *busiest)
+static inline void double_unlock_balance(struct rq *this_rq, struct rq *busiest)
 	__releases(busiest->lock)
 {
 	spin_unlock(&busiest->lock);
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index c7963d5d0625f5042d877ae64f671b59aee95278..2bdd444235999164ba1a9ab9fab0e0b6cd52fe2b 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -910,7 +910,8 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p)
 #define RT_MAX_TRIES 3
 
 static int double_lock_balance(struct rq *this_rq, struct rq *busiest);
-static void double_unlock_balance(struct rq *this_rq, struct rq *busiest);
+static inline void double_unlock_balance(struct rq *this_rq,
+						struct rq *busiest);
 
 static void deactivate_task(struct rq *rq, struct task_struct *p, int sleep);