diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 6cd05f1d77ef14b9adac7dee71b16092445e8829..7b3e85912a1fc60df3304ff61cc330a5a8c0c827 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -485,7 +485,7 @@ find_matching_se(struct sched_entity **se, struct sched_entity **pse)
 {
 }
 
-static int tg_is_idle(struct task_group *tg)
+static inline int tg_is_idle(struct task_group *tg)
 {
 	return 0;
 }