Messages in this thread Patch in this message | | | From | Vincent Guittot <> | Subject | [PATCH] sched: fix: remove double calculation in fix_small_imbalance | Date | Tue, 11 Mar 2014 17:26:06 +0100 |
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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> --- 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 f1eedae..b301918 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 */ -- 1.9.0
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