linux-kernel - [PATCH] stats: Replace seq_printf with seq

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Message-Id: <20200916034415.25645-1-vulab@iscas.ac.cn>
Date:   Wed, 16 Sep 2020 03:44:15 +0000
From:   Xu Wang <vulab@...as.ac.cn>
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
Cc:     linux-kernel@...r.kernel.org, Xu Wang <vulab@...as.ac.cn>
Subject: [PATCH] stats: Replace seq_printf with seq_puts

seq_puts is a lot cheaper than seq_printf, so use that to print
literal strings.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 kernel/sched/stats.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index 750fb3c67eed..0818fe03407a 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -37,7 +37,7 @@ static int show_schedstat(struct seq_file *seq, void *v)
 		    rq->rq_cpu_time,
 		    rq->rq_sched_info.run_delay, rq->rq_sched_info.pcount);
 
-		seq_printf(seq, "\n");
+		seq_putc(seq, '\n');
 
 #ifdef CONFIG_SMP
 		/* domain-specific stats */
-- 
2.17.1