From: Wang Hui <john.wanghui@huawei.com>
Date: Wed, 21 Jul 2021 09:11:09 +0000 (+0800)
Subject: sched: remove redundant on_rq status change
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f912d051619d11411867f642d2004928eb0b41b1;p=linux.git

sched: remove redundant on_rq status change

activate_task/deactivate_task will change on_rq status,
no need to do it again.

Signed-off-by: Wang Hui <john.wanghui@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210721091109.1406043-1-john.wanghui@huawei.com
---

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 0c22cd026440c..6c562ad1ad5db 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5659,11 +5659,9 @@ static bool try_steal_cookie(int this, int that)
 		if (p->core_occupation > dst->idle->core_occupation)
 			goto next;
 
-		p->on_rq = TASK_ON_RQ_MIGRATING;
 		deactivate_task(src, p, 0);
 		set_task_cpu(p, this);
 		activate_task(dst, p, 0);
-		p->on_rq = TASK_ON_RQ_QUEUED;
 
 		resched_curr(dst);