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.

cc: Ingo Molnar <mingo@redhat.com>
cc: Peter Zijlstra <peterz@infradead.org>

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index a4e3f128ffb8f6b9d7275fb455eec355dc16733a..682a98524cfe8fa1ebae12e2508578a9ab6ded0d 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8197,11 +8197,8 @@ 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 prefer_sibling = 0;
        int sg_status = 0;
-
-       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))