[PATCH rcu] cpu: __pcpu_scope_cpu_dead_idle can be static

[kbuild test robot]

kernel/sched/idle.c:184:1: sparse: symbol '__pcpu_scope_cpu_dead_idle' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 idle.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 42b5102..41354cd 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -181,7 +181,7 @@ exit_idle:
 	start_critical_timings();
 }
 
-DEFINE_PER_CPU(bool, cpu_dead_idle);
+static DEFINE_PER_CPU(bool, cpu_dead_idle);
 
 /*
  * Generic idle loop implementation
--
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