2 files changed, 12 insertions, 4 deletions

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index c0fdb9b6d296..bd57ef403049 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -533,7 +533,7 @@ ktime_t hrtimer_get_remaining(const struct hrtimer *timer)
 }
 EXPORT_SYMBOL_GPL(hrtimer_get_remaining);
 
-#ifdef CONFIG_NO_IDLE_HZ
+#if defined(CONFIG_NO_IDLE_HZ) || defined(CONFIG_NO_HZ)
 /**
  * hrtimer_get_next_event - get the time until next expiry event
  *
diff --git a/kernel/timer.c b/kernel/timer.c
index 201bee07b8e0..6d843e100e75 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -591,7 +591,7 @@ static inline void __run_timers(tvec_base_t *base)
         spin_unlock_irq(&base->lock);
 }
 
-#ifdef CONFIG_NO_IDLE_HZ
+#if defined(CONFIG_NO_IDLE_HZ) || defined(CONFIG_NO_HZ)
 /*
  * Find out when the next timer event is due to happen. This
  * is used on S/390 to stop all activity when a cpus is idle.
@@ -687,10 +687,10 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
 /**
  * next_timer_interrupt - return the jiffy of the next pending timer
  */
-unsigned long next_timer_interrupt(void)
+unsigned long get_next_timer_interrupt(unsigned long now)
 {
         tvec_base_t *base = __get_cpu_var(tvec_bases);
-        unsigned long expires, now = jiffies;
+        unsigned long expires;
 
         spin_lock(&base->lock);
         expires = __next_timer_interrupt(base);
@@ -701,6 +701,14 @@ unsigned long next_timer_interrupt(void)
 
         return cmp_next_hrtimer_event(now, expires);
 }
+
+#ifdef CONFIG_NO_IDLE_HZ
+unsigned long next_timer_interrupt(void)
+{
+        return get_next_timer_interrupt(jiffies);
+}
+#endif
+
 #endif
 
 /******************************************************************/