From 3b3d190ec3683d568fd2ebaead5e1ec7f97b6e37 Mon Sep 17 00:00:00 2001
From: Paul Turner <pjt@google.com>
Date: Mon, 15 Nov 2010 15:47:08 -0800
Subject: [PATCH] sched: Implement demand based update_cfs_load()

When the system is busy, dilation of rq->next_balance makes lb->update_shares()
insufficiently frequent for threads which don't sleep (no dequeue/enqueue
updates).  Adjust for this by making demand based updates based on the
accumulation of execution time sufficient to wrap our averaging window.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234938.291159744@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
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