linux-kernel - [tip:sched/core] sched/fair: Change 'prefer

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Date:   Mon, 10 Sep 2018 03:15:59 -0700
From:   tip-bot for Valentin Schneider <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, hpa@...or.com,
        peterz@...radead.org, valentin.schneider@....com,
        tglx@...utronix.de, torvalds@...ux-foundation.org,
        morten.rasmussen@....com
Subject: [tip:sched/core] sched/fair: Change 'prefer_sibling' type to bool

Commit-ID:  dbbad719449e06d73db21598d6eee178f7a54b3b
Gitweb:     https://git.kernel.org/tip/dbbad719449e06d73db21598d6eee178f7a54b3b
Author:     Valentin Schneider <valentin.schneider@....com>
AuthorDate: Wed, 4 Jul 2018 11:17:44 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 10 Sep 2018 11:05:51 +0200

sched/fair: Change 'prefer_sibling' type to bool

This variable is entirely local to update_sd_lb_stats, so we can
safely change its type and slightly clean up its initialisation.

Signed-off-by: Valentin Schneider <valentin.schneider@....com>
Signed-off-by: Morten Rasmussen <morten.rasmussen@....com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: dietmar.eggemann@....com
Cc: gaku.inami.xh@...esas.com
Cc: vincent.guittot@...aro.org
Link: http://lkml.kernel.org/r/1530699470-29808-7-git-send-email-morten.rasmussen@arm.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e08287d3806f..23017939ecab 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7982,11 +7982,9 @@ static inline void update_sd_lb_stats(struct lb_env *env, struct sd_lb_stats *sd
 	struct sched_group *sg = env->sd->groups;
 	struct sg_lb_stats *local = &sds->local_stat;
 	struct sg_lb_stats tmp_sgs;
-	int load_idx, prefer_sibling = 0;
+	int load_idx;
 	bool overload = false;
-
-	if (child && child->flags & SD_PREFER_SIBLING)
-		prefer_sibling = 1;
+	bool prefer_sibling = child && child->flags & SD_PREFER_SIBLING;
 
 #ifdef CONFIG_NO_HZ_COMMON
 	if (env->idle == CPU_NEWLY_IDLE && READ_ONCE(nohz.has_blocked))