From 57310a98a354e84279d7c8af2f48805a62372e53 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 9 Mar 2009 13:56:21 +0100
Subject: [PATCH] sched: optimize ttwu vs group scheduling

Impact: micro-optimization

We can avoid the sched domain walk on try_to_wake_up() when we know
there are no groups.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1236603381.8389.455.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Reading git-format-patch failed