From 6cbf1c126cf6a727287d61b122fde00a8b827bfe Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 18 Dec 2007 15:21:13 +0100 Subject: [PATCH] sched: do not hurt SCHED_BATCH on wakeup measurements by Yanmin Zhang have shown that SCHED_BATCH tasks benefit if they run the same place_entity() logic as SCHED_OTHER tasks - so uniformize behavior in this area. Signed-off-by: Ingo Molnar --- kernel/sched_fair.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index c33f0ceb3de9..da7c061e7206 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -511,8 +511,7 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) if (!initial) { /* sleeps upto a single latency don't count. */ - if (sched_feat(NEW_FAIR_SLEEPERS) && entity_is_task(se) && - task_of(se)->policy != SCHED_BATCH) + if (sched_feat(NEW_FAIR_SLEEPERS) && entity_is_task(se)) vruntime -= sysctl_sched_latency; /* ensure we never gain time by being placed backwards. */