diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index ec66b40bdd40..621354ade187 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -199,6 +199,9 @@ static void group_init(struct psi_group *group)
 	init_waitqueue_head(&group->poll_wait);
 	timer_setup(&group->poll_timer, poll_timer_fn, 0);
 	rcu_assign_pointer(group->poll_task, NULL);
+	memset(group->avg_total, 0, sizeof(group->avg_total));
+	memset(group->total, 0, sizeof(group->total));
+	memset(group->avg, 0, sizeof(group->avg));
 }
 
 void __init psi_init(void)