X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=kernel%2Fsched_features.h;h=83c66e8ad3ee314704456e14dfc23607d00c5f0d;hb=327723edebbbd621ed35b0d63073685eb225563e;hp=c545e048dfed3f2cfb5576b1f41bf99f09ce0027;hpb=e12f31d3e5d36328c7fbd0fce40a95e70b59152c;p=safe%2Fjmp%2Flinux-2.6 diff --git a/kernel/sched_features.h b/kernel/sched_features.h index c545e04..83c66e8 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h @@ -1,11 +1,4 @@ /* - * Disregards a certain amount of sleep time (sched_latency_ns) and - * considers the task to be running during that period. This gives it - * a service deficit on wakeup, allowing it to run sooner. - */ -SCHED_FEAT(FAIR_SLEEPERS, 1) - -/* * Only give sleepers 50% of their service deficit. This allows * them to run sooner, but does not allow tons of sleepers to * rip the spread apart. @@ -13,13 +6,6 @@ SCHED_FEAT(FAIR_SLEEPERS, 1) SCHED_FEAT(GENTLE_FAIR_SLEEPERS, 1) /* - * By not normalizing the sleep time, heavy tasks get an effective - * longer period, and lighter task an effective shorter period they - * are considered running. - */ -SCHED_FEAT(NORMALIZED_SLEEPER, 0) - -/* * Place new tasks ahead so that they do not starve already running * tasks */ @@ -31,25 +17,6 @@ SCHED_FEAT(START_DEBIT, 1) SCHED_FEAT(WAKEUP_PREEMPT, 1) /* - * When converting the wakeup granularity to virtual time, do it such - * that heavier tasks preempting a lighter task have an edge. - */ -SCHED_FEAT(ASYM_GRAN, 1) - -/* - * Always wakeup-preempt SYNC wakeups, see SYNC_WAKEUPS. - */ -SCHED_FEAT(WAKEUP_SYNC, 0) - -/* - * Use the SYNC wakeup hint, pipes and the likes use this to indicate - * the remote end is likely to consume the data we just wrote, and - * therefore has cache benefit from being placed on the same cpu, see - * also AFFINE_WAKEUPS. - */ -SCHED_FEAT(SYNC_WAKEUPS, 1) - -/* * Based on load and program behaviour, see if it makes sense to place * a newly woken task on the same cpu as the task that woke it -- * improve cache locality. Typically used with SYNC wakeups as