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Commit 5a4fd036 authored by xiaofeng.yan's avatar xiaofeng.yan Committed by Ingo Molnar
Browse files

sched/core: Remove a parameter in the migrate_task_rq() function 



The parameter "int next_cpu" in the following function is unused:

  migrate_task_rq(struct task_struct *p, int next_cpu)

Remove it.

Signed-off-by: default avatarxiaofeng.yan <yanxiaofeng@inspur.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
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>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1442991360-31945-1-git-send-email-yanxiaofeng@inspur.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent ce03e413

kernel/sched/core.c

+1 −1
Original line number Diff line number Diff line
@@ -1294,7 +1294,7 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu) 


	if (task_cpu(p) != new_cpu) {

		if (p->sched_class->migrate_task_rq)

			p->sched_class->migrate_task_rq(p, new_cpu);

			p->sched_class->migrate_task_rq(p);

		p->se.nr_migrations++;

		perf_event_task_migrate(p);

	}

kernel/sched/fair.c

+1 −1
Original line number Diff line number Diff line
@@ -5009,7 +5009,7 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f 
 * previous cpu.  However, the caller only guarantees p->pi_lock is held; no

 * other assumptions, including the state of rq->lock, should be made.

 */

static void migrate_task_rq_fair(struct task_struct *p, int next_cpu)

static void migrate_task_rq_fair(struct task_struct *p)

{

	/*

	 * We are supposed to update the task to "current" time, then its up to date

kernel/sched/sched.h

+1 −1
Original line number Diff line number Diff line
@@ -1190,7 +1190,7 @@ struct sched_class { 


#ifdef CONFIG_SMP

	int  (*select_task_rq)(struct task_struct *p, int task_cpu, int sd_flag, int flags);

	void (*migrate_task_rq)(struct task_struct *p, int next_cpu);

	void (*migrate_task_rq)(struct task_struct *p);



	void (*task_waking) (struct task_struct *task);

	void (*task_woken) (struct rq *this_rq, struct task_struct *task);