From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 28 Jan 2009 13:51:40 +0000 (+0100)
Subject: sched: fix buddie group latency
X-Git-Tag: v2.6.29-rc4~68^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a571bbeafbcc501d9989fbce1cddcd810bd51d71;p=pandora-kernel.git

sched: fix buddie group latency

Similar to the previous patch, by not clearing buddies we can select entities
past their run quota, which can increase latency. This means we have to clear
group buddies as well.

Do not use the group clear for pick_next_task(), otherwise that'll get O(n^2).

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