linux-kernel - [PATCH v2] sched/fair: Remove unused parameter idle of _nohz_idle

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Message-Id: <20220710101910.8413-1-jiahao.os@bytedance.com>
Date:   Sun, 10 Jul 2022 18:19:10 +0800
From:   Hao Jia <jiahao.os@...edance.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, vschneid@...hat.com
Cc:     linux-kernel@...r.kernel.org, Hao Jia <jiahao.os@...edance.com>
Subject: [PATCH v2] sched/fair: Remove unused parameter idle of _nohz_idle_balance()

Commit 7a82e5f52a35 ("sched/fair: Merge for each idle cpu loop of ILB")
has been merged. The parameter idle of _nohz_idle_balance()
is not used anymore so we can remove it.

Signed-off-by: Hao Jia <jiahao.os@...edance.com>
Reviewed-by: Vincent Guittot <vincent.guittot@...aro.org>
---
 kernel/sched/fair.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 77b2048a9326..8d4be2a95e37 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -10682,8 +10682,7 @@ static bool update_nohz_stats(struct rq *rq)
  * can be a simple update of blocked load or a complete load balance with
  * tasks movement depending of flags.
  */
-static void _nohz_idle_balance(struct rq *this_rq, unsigned int flags,
-			       enum cpu_idle_type idle)
+static void _nohz_idle_balance(struct rq *this_rq, unsigned int flags)
 {
 	/* Earliest time when we have to do rebalance again */
 	unsigned long now = jiffies;
@@ -10798,7 +10797,7 @@ static bool nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle)
 	if (idle != CPU_IDLE)
 		return false;
 
-	_nohz_idle_balance(this_rq, flags, idle);
+	_nohz_idle_balance(this_rq, flags);
 
 	return true;
 }
@@ -10818,7 +10817,7 @@ void nohz_run_idle_balance(int cpu)
 	 * (ie NOHZ_STATS_KICK set) and will do the same.
 	 */
 	if ((flags == NOHZ_NEWILB_KICK) && !need_resched())
-		_nohz_idle_balance(cpu_rq(cpu), NOHZ_STATS_KICK, CPU_IDLE);
+		_nohz_idle_balance(cpu_rq(cpu), NOHZ_STATS_KICK);
 }
 
 static void nohz_newidle_balance(struct rq *this_rq)
-- 
2.32.0