linux-kernel - [PATCH] sched/fair: remove next_buddy

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Message-ID: <202312141319+0800-wangjinchao@xfusion.com>
Date:   Thu, 14 Dec 2023 13:20:29 +0800
From:   Wang Jinchao <wangjinchao@...sion.com>
To:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        <linux-kernel@...r.kernel.org>
CC:     <stone.xulei@...sion.com>, <wangjinchao@...sion.com>
Subject: [PATCH] sched/fair: remove next_buddy_marked

Remove unused `next_buddy_marked` in `check_preempt_wakeup_fair`

Signed-off-by: Wang Jinchao <wangjinchao@...sion.com>
---
 kernel/sched/fair.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d7a3c63a2171..d2028bfa4e94 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8210,7 +8210,6 @@ static void check_preempt_wakeup_fair(struct rq *rq, struct task_struct *p, int
 	struct task_struct *curr = rq->curr;
 	struct sched_entity *se = &curr->se, *pse = &p->se;
 	struct cfs_rq *cfs_rq = task_cfs_rq(curr);
-	int next_buddy_marked = 0;
 	int cse_is_idle, pse_is_idle;
 
 	if (unlikely(se == pse))
@@ -8227,7 +8226,6 @@ static void check_preempt_wakeup_fair(struct rq *rq, struct task_struct *p, int
 
 	if (sched_feat(NEXT_BUDDY) && !(wake_flags & WF_FORK)) {
 		set_next_buddy(pse);
-		next_buddy_marked = 1;
 	}
 
 	/*
-- 
2.40.0