diff --git a/kernel/rcu/rcu_segcblist.c b/kernel/rcu/rcu_segcblist.c
index c54ea2b6a36b..f71fac422c8f 100644
--- a/kernel/rcu/rcu_segcblist.c
+++ b/kernel/rcu/rcu_segcblist.c
@@ -89,7 +89,7 @@ static void rcu_segcblist_set_len(struct rcu_segcblist *rsclp, long v)
 }
 
 /* Get the length of a segment of the rcu_segcblist structure. */
-static long rcu_segcblist_get_seglen(struct rcu_segcblist *rsclp, int seg)
+long rcu_segcblist_get_seglen(struct rcu_segcblist *rsclp, int seg)
 {
 	return READ_ONCE(rsclp->seglen[seg]);
 }
diff --git a/kernel/rcu/rcu_segcblist.h b/kernel/rcu/rcu_segcblist.h
index 431cee212467..4fe877f5f654 100644
--- a/kernel/rcu/rcu_segcblist.h
+++ b/kernel/rcu/rcu_segcblist.h
@@ -15,6 +15,8 @@ static inline long rcu_cblist_n_cbs(struct rcu_cblist *rclp)
 	return READ_ONCE(rclp->len);
 }
 
+long rcu_segcblist_get_seglen(struct rcu_segcblist *rsclp, int seg);
+
 /* Return number of callbacks in segmented callback list by summing seglen. */
 long rcu_segcblist_n_segment_cbs(struct rcu_segcblist *rsclp);
 
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index d3b082233b74..7d3a59d4f37e 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2057,7 +2057,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
 	 */
 	rcu_nocb_lock_irqsave(rdp, flags);
 	WARN_ON_ONCE(cpu_is_offline(smp_processor_id()));
-	pending = rcu_segcblist_n_cbs(&rdp->cblist);
+	pending = rcu_segcblist_get_seglen(&rdp->cblist, RCU_DONE_TAIL);
 	div = READ_ONCE(rcu_divisor);
 	div = div < 0 ? 7 : div > sizeof(long) * 8 - 2 ? sizeof(long) * 8 - 2 : div;
 	bl = max(rdp->blimit, pending >> div);