From fb9d5e855fa84b88eb04d21c8a7e2f9cd087c169 Mon Sep 17 00:00:00 2001
From: Viresh Kumar <viresh.kumar@linaro.org>
Date: Wed, 24 May 2017 10:59:53 +0530
Subject: [PATCH] sched/core: Reuse put_prev_task()

References: bnc#1066110 Scheduler utilisation tracking
Patch-mainline: v4.14-rc1
Git-commit: 5b713a3d949bd7f8c615a335a8c40297586bc1b1

Reuse put_prev_task() instead of copying its implementation.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linaro-kernel@lists.linaro.org
Link: http://lkml.kernel.org/r/e2e50578223d05c5e90a9feb964fe1ec5d09a052.1495603536.git.viresh.kumar@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 57c6cfc1093c..0bf14a77dbc6 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5697,7 +5697,7 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
 		 */
 		next = pick_next_task(rq, &fake_task, rf);
 		BUG_ON(!next);
-		next->sched_class->put_prev_task(rq, next);
+		put_prev_task(rq, next);
 
 		/*
 		 * Rules for changing task_struct::cpus_allowed are holding