From: Paul Turner <pjt@google.com>
Date: Thu, 21 Jul 2011 16:43:35 +0000 (-0700)
Subject: sched: Allow for positional tg_tree walks
X-Git-Tag: v3.2-rc1~161^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8277434ef1202ce30315f8edb3fc760aa6e74493;p=pandora-kernel.git

sched: Allow for positional tg_tree walks

Extend walk_tg_tree to accept a positional argument

static int walk_tg_tree_from(struct task_group *from,
			     tg_visitor down, tg_visitor up, void *data)

Existing semantics are preserved, caller must hold rcu_lock() or sufficient
analogue.

Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110721184757.677889157@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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