1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 0482229c07db..d2ae79e21be3 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -43,6 +43,7 @@ enum tick_nohz_mode {
  * @idle_exittime:      Time when the idle state was left
  * @idle_sleeptime:     Sum of the time slept in idle with sched tick stopped
  * @sleep_length:       Duration of the current idle sleep
+ * @do_timer_lst:       CPU was the last one doing do_timer before going idle
  */
 struct tick_sched {
         struct hrtimer                  sched_timer;
@@ -64,6 +65,7 @@ struct tick_sched {
         unsigned long                   last_jiffies;
         unsigned long                   next_jiffies;
         ktime_t                         idle_expires;
+        int                             do_timer_last;
 };
 
 extern void __init tick_init(void);
@@ -98,6 +100,9 @@ extern int tick_check_oneshot_change(int allow_nohz);
 extern struct tick_sched *tick_get_tick_sched(int cpu);
 extern void tick_check_idle(int cpu);
 extern int tick_oneshot_mode_active(void);
+#  ifndef arch_needs_cpu
+#   define arch_needs_cpu(cpu) (0)
+#  endif
 # else
 static inline void tick_clock_notify(void) { }
 static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }