From e95d68d2127716c7d6fb144bb19ef48ce9f37393 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Wed, 15 Mar 2017 13:11:11 -0700
Subject: srcu: Make num_rcu_lvl[] array be external

This commit makes the num_rcu_lvl[] array external so that SRCU can
make use of it for initializing its upcoming srcu_node tree.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 kernel/rcu/rcu.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'kernel/rcu/rcu.h')

diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 5c1798ec32f7..4303b880ac99 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -195,6 +195,7 @@ extern void resched_cpu(int cpu);
 #include <linux/rcu_node_tree.h>
 
 extern int rcu_num_lvls;
+extern int num_rcu_lvl[];
 extern int rcu_num_nodes;
 static bool rcu_fanout_exact;
 static int rcu_fanout_leaf;
-- 
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