diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 135be535a4ef..f17279e4dc36 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5104,6 +5104,17 @@ static void record_wakee(struct task_struct *p)
 	}
 }
 
+/*
+ * Returns the current capacity of cpu after applying both
+ * cpu and freq scaling.
+ */
+static unsigned long capacity_curr_of(int cpu)
+{
+	return cpu_rq(cpu)->cpu_capacity_orig *
+	       arch_scale_freq_capacity(NULL, cpu)
+	       >> SCHED_CAPACITY_SHIFT;
+}
+
 static inline bool energy_aware(void)
 {
 	return sched_feat(ENERGY_AWARE);