rcu: Remove redundant rcu_cpu_stall_suppress declaration

No point in having two identical rcu_cpu_stall_suppress declarations,
so remove the more obscure of the two.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 4ec4b14..2b2e1a9 100644 (file)
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -642,8 +642,6 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
 
 #endif /* #ifdef CONFIG_SMP */
 
-int rcu_cpu_stall_suppress __read_mostly;
-
 static void record_gp_stall_check_time(struct rcu_state *rsp)
 {
        rsp->gp_start = jiffies;