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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 <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1394555166-22894-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Vincent Guittot 2014-03-11 17:26:06 +01:00 committed by Ingo Molnar
parent 383afd0971
commit a2cd42601b
1 changed files with 2 additions and 4 deletions
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6
kernel/sched/fair.c
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@ -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 */