From: Mike Galbraith <efault@gmx.de>
Date: Mon, 15 Oct 2007 15:00:14 +0000 (+0200)
Subject: sched: prevent wakeup over-scheduling
X-Git-Tag: v2.6.24-rc1~1289^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95938a35c5562afa7af7252821e44132391a3db8;p=pandora-kernel.git

sched: prevent wakeup over-scheduling

Prevent wakeup over-scheduling.  Once a task has been preempted by a
task of the same or lower priority, it becomes ineligible for repeated
preemption by same until it has been ticked, or slept.  Instead, the
task is marked for preemption at the next tick.  Tasks of higher
priority still preempt immediately.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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