linux-kernel - [PATCH] sched/core: Optimize sched_core

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Date:   Mon, 25 Apr 2022 01:08:14 +0800
From:   Cruz Zhao <CruzZhao@...ux.alibaba.com>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] sched/core: Optimize sched_core_next()

As there is __node_2_sc() defined before, just use it instead of
container_of() in function sched_core_next().

Signed-off-by: Cruz Zhao <CruzZhao@...ux.alibaba.com>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d50d4dd..d3e3d6e 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -284,7 +284,7 @@ static struct task_struct *sched_core_next(struct task_struct *p, unsigned long
 	if (!node)
 		return NULL;
 
-	p = container_of(node, struct task_struct, core_node);
+	p = __node_2_sc(node);
 	if (p->core_cookie != cookie)
 		return NULL;
 
-- 
1.8.3.1