From: Paul Turner <pjt@google.com>
Date: Thu, 4 Oct 2012 11:18:30 +0000 (+0200)
Subject: sched: Add an rq migration call-back to sched_class
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~75^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a74bef8bed18dc6889e9bc37ea1050a50c86c89;p=pandora-kernel.git

sched: Add an rq migration call-back to sched_class

Since we are now doing bottom up load accumulation we need explicit
notification when a task has been re-parented so that the old hierarchy can be
updated.

Adds: migrate_task_rq(struct task_struct *p, int next_cpu)

(The alternative is to do this out of __set_task_cpu, but it was suggested that
this would be a cleaner encapsulation.)

Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Ben Segall <bsegall@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120823141506.660023400@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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