sched: SCHED_OTHER vs SCHED_IDLE isolation

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Stronger SCHED_IDLE isolation:

 - no SCHED_IDLE buddies
 - never let SCHED_IDLE preempt on wakeup
 - always preempt SCHED_IDLE on wakeup
 - limit SLEEPER fairness for SCHED_IDLE.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Peter Zijlstra 2009-01-15 14:53:38 +01:00 • committed by Ingo Molnar

parent cce7ade803

commit 6bc912b71b

1 changed files with 22 additions and 8 deletions

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kernel/sched_fair.c

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