1 files changed, 3 insertions, 1 deletions

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 782af3cb213..5d6e6523598 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -16,7 +16,6 @@
 #include <linux/mm.h>
 #include <linux/stddef.h>
 #include <linux/unistd.h>
-#include <linux/ptrace.h>
 #include <linux/slab.h>
 #include <linux/user.h>
 #include <linux/a.out.h>
@@ -28,6 +27,7 @@
 #include <linux/cpu.h>
 #include <linux/elfcore.h>
 #include <linux/pm.h>
+#include <linux/tick.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -160,9 +160,11 @@ void cpu_idle(void)
                 if (!idle)
                         idle = default_idle;
                 leds_event(led_idle_start);
+                tick_nohz_stop_sched_tick();
                 while (!need_resched())
                         idle();
                 leds_event(led_idle_end);
+                tick_nohz_restart_sched_tick();
                 preempt_enable_no_resched();
                 schedule();
                 preempt_disable();