From: Aubrey Li <aubrey.li@intel.com>
Date: Wed, 7 Jun 2017 02:49:02 +0000 (+0800)
Subject: sched/idle: Add deferrable vmstat_updater back
X-Git-Tag: v4.13-rc1~205^2~18
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ebfa4c02fa4806bfef189e88152b833f2a732bff;p=karo-tx-linux.git

sched/idle: Add deferrable vmstat_updater back

Deferrable vmstat_updater was missing in commit:

  c1de45ca831a ("sched/idle: Add support for tasks that inject idle")

Add it back.

Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Aubrey Li <aubrey.li@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1496803742-38274-1-git-send-email-aubrey.li@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index ef63adce0c9c..6c23e30c0e5c 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -219,6 +219,7 @@ static void do_idle(void)
 	 */
 
 	__current_set_polling();
+	quiet_vmstat();
 	tick_nohz_idle_enter();
 
 	while (!need_resched()) {