diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index f41f2eec6186..8c165f0d33b3 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3638,6 +3638,7 @@ util_est_dequeue(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep)
 {
 	long last_ewma_diff;
 	struct util_est ue;
+	int cpu;
 
 	if (!sched_feat(UTIL_EST))
 		return;
@@ -3671,6 +3672,14 @@ util_est_dequeue(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep)
 	if (within_margin(last_ewma_diff, (SCHED_CAPACITY_SCALE / 100)))
 		return;
 
+	/*
+	 * To avoid overestimation of actual task utilization, skip updates if
+	 * we cannot grant there is idle time in this CPU.
+	 */
+	cpu = cpu_of(rq_of(cfs_rq));
+	if (task_util(p) > capacity_orig_of(cpu))
+		return;
+
 	/*
 	 * Update Task's estimated utilization
 	 *
@@ -5542,11 +5551,6 @@ static unsigned long capacity_of(int cpu)
 	return cpu_rq(cpu)->cpu_capacity;
 }
 
-static unsigned long capacity_orig_of(int cpu)
-{
-	return cpu_rq(cpu)->cpu_capacity_orig;
-}
-
 static unsigned long cpu_avg_load_per_task(int cpu)
 {
 	struct rq *rq = cpu_rq(cpu);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index fe31bc472f3e..99e2a7772d16 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2230,6 +2230,13 @@ static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) {}
 # define arch_scale_freq_invariant()	false
 #endif
 
+#ifdef CONFIG_SMP
+static inline unsigned long capacity_orig_of(int cpu)
+{
+	return cpu_rq(cpu)->cpu_capacity_orig;
+}
+#endif
+
 #ifdef CONFIG_CPU_FREQ_GOV_SCHEDUTIL
 /**
  * enum schedutil_type - CPU utilization type