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@arm.com>
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dietmar.eggemann@arm.com
Cc: gaku.inami.xh@renesas.com
Cc: vincent.guittot@linaro.org
Link: http://lkml.kernel.org/r/1530699470-29808-7-git-send-email-morten.rasmussen@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e08287d..2301793 100644 (file)
--- 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))