From b9fa3df33f9166daf81bfa8253d339f5a7726122 Mon Sep 17 00:00:00 2001
From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Date: Mon, 15 Oct 2007 17:00:12 +0200
Subject: [PATCH] sched: group scheduler, fix latency

There is a possibility that because of task of a group moving from one
cpu to another, it may gain more cpu time that desired. See
http://marc.info/?l=linux-kernel&m=119073197730334 for details.

This is an attempt to fix that problem. Basically it simulates dequeue
of higher level entities as if they are going to sleep. Similarly it
simulate wakeup of higher level entities as if they are waking up from
sleep.

Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
---
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