linux-kernel - [PATCH] sched: remove duplicated tick_nohz_full

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Message-ID: <1595935075-14223-1-git-send-email-linmiaohe@huawei.com>
Date:   Tue, 28 Jul 2020 19:17:55 +0800
From:   linmiaohe <linmiaohe@...wei.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>
CC:     <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH] sched: remove duplicated tick_nohz_full_enabled() check

From: Miaohe Lin <linmiaohe@...wei.com>

The func tick_nohz_full_enabled() is also called by tick_nohz_full_cpu().
So this one is duplicated and should be removed.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 kernel/sched/sched.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 877fb08eb1b0..02028f785f87 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1930,12 +1930,7 @@ extern int __init sched_tick_offload_init(void);
  */
 static inline void sched_update_tick_dependency(struct rq *rq)
 {
-	int cpu;
-
-	if (!tick_nohz_full_enabled())
-		return;
-
-	cpu = cpu_of(rq);
+	int cpu = cpu_of(rq);
 
 	if (!tick_nohz_full_cpu(cpu))
 		return;
-- 
2.19.1