1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ebf7095158a9..af008d7bad57 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1862,6 +1862,7 @@ static inline void wake_up_nohz_cpu(int cpu) { }
 
 #ifdef CONFIG_NO_HZ_FULL
 extern bool sched_can_stop_tick(void);
+extern u64 scheduler_tick_max_deferment(void);
 #else
 static inline bool sched_can_stop_tick(void) { return false; }
 #endif