diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 76ac6a8100fc..c549ad489c6d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1814,7 +1814,7 @@ static void task_cache_work(struct callback_head *work)
 
 		for_each_cpu(cpu, cpus) {
 			/* XXX sched_cluster_active */
-			struct sched_domain *sd = per_cpu(sd_llc, cpu);
+			struct sched_domain *sd = rcu_dereference_all(per_cpu(sd_llc, cpu));
 			unsigned long occ, m_occ = 0, a_occ = 0;
 			int m_cpu = -1, i;