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Date:	Tue, 6 Oct 2015 09:18:05 -0700
From:	"tip-bot for xiaofeng.yan" <>
Subject: [tip:sched/core] sched/core:
  Remove a parameter in the migrate_task_rq() function

Commit-ID:  5a4fd0368517bc5b5399ef958f6d30cbff492918
Author:     xiaofeng.yan <>
AuthorDate: Wed, 23 Sep 2015 14:55:59 +0800
Committer:  Ingo Molnar <>
CommitDate: Tue, 6 Oct 2015 17:08:23 +0200

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: xiaofeng.yan <>
Signed-off-by: Peter Zijlstra (Intel) <>
Cc: Linus Torvalds <>
Cc: Mike Galbraith <>
Cc: Peter Zijlstra <>
Cc: Thomas Gleixner <>
Signed-off-by: Ingo Molnar <>
 kernel/sched/core.c  | 2 +-
 kernel/sched/fair.c  | 2 +-
 kernel/sched/sched.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a395db1..1764a0f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -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);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 3bdc3da..700eb54 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -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
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e08cc4c..efd3bfc 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -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);
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