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(parent: 2cf155b) | patch
sched: SCHED_OTHER vs SCHED_IDLE isolation
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Thu, 15 Jan 2009 13:53:38 +0000 (14:53 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 20 Feb 2009 22:40:20 +0000 (14:40 -0800)
commitdf94b12439ca449a852e579fc2952dac80f70c90
treef9912dc93377361a20bc05a76ccb904c70e48804tree | snapshot
parent2cf155b300c4839a7238b825c7c5f417e9d7cc68commit | diff
sched: SCHED_OTHER vs SCHED_IDLE isolation

commit 6bc912b71b6f33b041cfde93ca3f019cbaa852bc upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
kernel/sched_fair.c diff | blob | history
Linux kernel for KaRo TX COM modules