diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 104c8164e04fc..74dd565c2e1be 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2705,7 +2705,7 @@ static void __sched __schedule(void)
 	pre_schedule(rq, prev);
 
 	if (unlikely(!rq->nr_running))
-		idle_balance(cpu, rq);
+		idle_balance(rq);
 
 	put_prev_task(rq, prev);
 	next = pick_next_task(rq);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4caa8030824d5..428bc9d2c3839 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6531,12 +6531,13 @@ static int load_balance(int this_cpu, struct rq *this_rq,
  * idle_balance is called by schedule() if this_cpu is about to become
  * idle. Attempts to pull tasks from other CPUs.
  */
-void idle_balance(int this_cpu, struct rq *this_rq)
+void idle_balance(struct rq *this_rq)
 {
 	struct sched_domain *sd;
 	int pulled_task = 0;
 	unsigned long next_balance = jiffies + HZ;
 	u64 curr_cost = 0;
+	int this_cpu = this_rq->cpu;
 
 	this_rq->idle_stamp = rq_clock(this_rq);
 
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b44720d38ae9f..82c0e02f2a581 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1158,7 +1158,7 @@ extern const struct sched_class idle_sched_class;
 extern void update_group_power(struct sched_domain *sd, int cpu);
 
 extern void trigger_load_balance(struct rq *rq);
-extern void idle_balance(int this_cpu, struct rq *this_rq);
+extern void idle_balance(struct rq *this_rq);
 
 extern void idle_enter_fair(struct rq *this_rq);
 extern void idle_exit_fair(struct rq *this_rq);