diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 8f3e4d43d736..a6c5424ffa38 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2487,7 +2487,7 @@ static void force_quiescent_state(struct rcu_state *rsp)
 	struct rcu_node *rnp_old = NULL;
 
 	/* Funnel through hierarchy to reduce memory contention. */
-	rnp = per_cpu_ptr(rsp->rda, raw_smp_processor_id())->mynode;
+	rnp = __this_cpu_read(rsp->rda->mynode);
 	for (; rnp != NULL; rnp = rnp->parent) {
 		ret = (ACCESS_ONCE(rsp->gp_flags) & RCU_GP_FLAG_FQS) ||
 		      !raw_spin_trylock(&rnp->fqslock);