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Date: Fri, 29 Apr 2016 20:32:43 +0100 From: Dietmar Eggemann <dietmar.eggemann@....com> To: Peter Zijlstra <peterz@...radead.org> Cc: linux-kernel@...r.kernel.org, Morten Rasmussen <morten.rasmussen@....com> Subject: [PATCH 6/7] sched/fair: Reorder code in update_sd_lb_stats() Do the update of total load and total capacity of sched_domain statistics before detecting if it is the local group. This and the inclusion of sg=sg->next into the condition of the do...while loop makes the code easier to read. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com> --- kernel/sched/fair.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e68b9eb5cb97..58da724b6ca4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6801,8 +6801,12 @@ static inline void update_sd_lb_stats(struct lb_env *env, struct sd_lb_stats *sd update_sg_lb_stats(env, sg, load_idx, local_group, sgs, &overload); + /* Update sd_lb_stats */ + sds->total_load += sgs->group_load; + sds->total_capacity += sgs->group_capacity; + if (local_group) - goto next_group; + continue; /* * In case the child domain prefers tasks go to siblings @@ -6826,13 +6830,7 @@ static inline void update_sd_lb_stats(struct lb_env *env, struct sd_lb_stats *sd sds->busiest_stat = *sgs; } -next_group: - /* Now, start updating sd_lb_stats */ - sds->total_load += sgs->group_load; - sds->total_capacity += sgs->group_capacity; - - sg = sg->next; - } while (sg != env->sd->groups); + } while (sg = sg->next, sg != env->sd->groups); if (env->sd->flags & SD_NUMA) env->fbq_type = fbq_classify_group(&sds->busiest_stat); -- 1.9.1
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