From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 15 Nov 2010 23:47:02 +0000 (-0800)
Subject: sched: Make tg_shares_up() walk on-demand
X-Git-Tag: v2.6.38-rc1~489^2~29
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e3081ca61147b29f52fddb4f7c6b6b82ea5eb7a;p=pandora-kernel.git

sched: Make tg_shares_up() walk on-demand

Make tg_shares_up() use the active cgroup list, this means we cannot
do a strict bottom-up walk of the hierarchy, but assuming its a very
wide tree with a small number of active groups it should be a win.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234937.754159484@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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