3 files changed, 1 insertions, 17 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9a7bc5ba7e7e..2091ea2a2c5c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -273,14 +273,8 @@ extern cpumask_var_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
 extern void select_nohz_load_balancer(int stop_tick);
 extern int get_nohz_timer_target(void);
-extern int nohz_ratelimit(int cpu);
 #else
 static inline void select_nohz_load_balancer(int stop_tick) { }
-
-static inline int nohz_ratelimit(int cpu)
-{
-        return 0;
-}
 #endif
 
 /*
diff --git a/kernel/sched.c b/kernel/sched.c
index 16f3f77f71be..f6c9bb6ac70b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1255,16 +1255,6 @@ void wake_up_idle_cpu(int cpu)
                 smp_send_reschedule(cpu);
 }
 
-int nohz_ratelimit(int cpu)
-{
-        struct rq *rq = cpu_rq(cpu);
-        u64 diff = rq->clock - rq->nohz_stamp;
-
-        rq->nohz_stamp = rq->clock;
-
-        return diff < (NSEC_PER_SEC / HZ) >> 1;
-}
-
 #endif /* CONFIG_NO_HZ */
 
 static u64 sched_avg_period(void)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 17525cac6cfe..021d2f878f19 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -325,7 +325,7 @@ void tick_nohz_stop_sched_tick(int inidle)
         } while (read_seqretry(&xtime_lock, seq));
 
         if (rcu_needs_cpu(cpu) || printk_needs_cpu(cpu) ||
-            arch_needs_cpu(cpu) || nohz_ratelimit(cpu)) {
+            arch_needs_cpu(cpu)) {
                 next_jiffies = last_jiffies + 1;
                 delta_jiffies = 1;
         } else {