From: xiaofeng.yan Date: Wed, 23 Sep 2015 06:55:59 +0000 (+0800) Subject: sched/core: Remove a parameter in the migrate_task_rq() function X-Git-Tag: firefly_0821_release~176^2~830^2~10 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5a4fd0368517bc5b5399ef958f6d30cbff492918;p=firefly-linux-kernel-4.4.55.git 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 Cc: linux-kernel@vger.kernel.org Link: http://lkml.kernel.org/r/1442991360-31945-1-git-send-email-yanxiaofeng@inspur.com Signed-off-by: Ingo Molnar --- diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a395db17ff4c..1764a0f2a75b 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); p->se.nr_migrations++; perf_event_task_migrate(p); } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 3bdc3da7bc6a..700eb548315f 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 e08cc4cf68e2..efd3bfc7e347 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);