1 files changed, 6 insertions, 1 deletions

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index a4c4edac4528..914259128145 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -34,7 +34,7 @@
 /*
  * Per cpu nohz control structure
  */
-DEFINE_PER_CPU(struct tick_sched, tick_cpu_sched);
+static DEFINE_PER_CPU(struct tick_sched, tick_cpu_sched);
 
 /*
  * The time, when the last jiffy update happened. Protected by jiffies_lock.
@@ -416,6 +416,11 @@ static int __init setup_tick_nohz(char *str)
 
 __setup("nohz=", setup_tick_nohz);
 
+int tick_nohz_tick_stopped(void)
+{
+        return __this_cpu_read(tick_cpu_sched.tick_stopped);
+}
+
 /**
  * tick_nohz_update_jiffies - update jiffies when idle was interrupted
  *