From a2cd42601b474b957e1a5fe3692bcf7f9363bd51 Mon Sep 17 00:00:00 2001 From: Vincent Guittot Date: Tue, 11 Mar 2014 17:26:06 +0100 Subject: [PATCH] sched: Remove double calculation in fix_small_imbalance() The tmp value has been already calculated in: scaled_busy_load_per_task = (busiest->load_per_task * SCHED_POWER_SCALE) / busiest->group_power; Signed-off-by: Vincent Guittot Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1394555166-22894-1-git-send-email-vincent.guittot@linaro.org Signed-off-by: Ingo Molnar --- 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 f1eedae1e83e..b301918ed510 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6061,12 +6061,10 @@ void fix_small_imbalance(struct lb_env *env, struct sd_lb_stats *sds) pwr_now /= SCHED_POWER_SCALE; /* Amount of load we'd subtract */ - tmp = (busiest->load_per_task * SCHED_POWER_SCALE) / - busiest->group_power; - if (busiest->avg_load > tmp) { + if (busiest->avg_load > scaled_busy_load_per_task) { pwr_move += busiest->group_power * min(busiest->load_per_task, - busiest->avg_load - tmp); + busiest->avg_load - scaled_busy_load_per_task); } /* Amount of load we'd add */ -- GitLab