[PATCH -next] rcu/tree: Make rcu_check_gp_start_stall static

[Yue Haibing]

From: YueHaibing <yuehaibing@xxxxxxxxxx>

Fix sparse warning:

kernel/rcu/tree.c:2643:1: warning:
 symbol 'rcu_check_gp_start_stall' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 kernel/rcu/tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index acd6ccf..ed3ef40 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2639,7 +2639,7 @@ EXPORT_SYMBOL_GPL(rcu_force_quiescent_state);
  * This function checks for grace-period requests that fail to motivate
  * RCU to come out of its idle mode.
  */
-void
+static void
 rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp,
 			 const unsigned long gpssdelay)
 {
-- 
2.7.0