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Message-ID: <20081215070237.GF18403@balbir.in.ibm.com>
Date: Mon, 15 Dec 2008 12:32:37 +0530
From: Balbir Singh <balbir@...ux.vnet.ibm.com>
To: Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>
Cc: Linux Kernel <linux-kernel@...r.kernel.org>,
Suresh B Siddha <suresh.b.siddha@...el.com>,
Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Ingo Molnar <mingo@...e.hu>,
Dipankar Sarma <dipankar@...ibm.com>,
Vatsa <vatsa@...ux.vnet.ibm.com>,
Gautham R Shenoy <ego@...ibm.com>,
Andi Kleen <andi@...stfloor.org>,
David Collier-Brown <davecb@....com>,
Tim Connors <tconnors@...ro.swin.edu.au>,
Max Krasnyansky <maxk@...lcomm.com>,
Gregory Haskins <gregory.haskins@...il.com>
Subject: Re: [RFC PATCH v5 7/7] sched: idle_balance() does not call
load_balance_newidle()
* Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com> [2008-12-11 23:13:23]:
> load_balance_newidle() does not get called if SD_BALANCE_NEWIDLE
> is set at higher level domain (3-CPU) and not in low level domain
> (2-MC).
>
> pulled_task is initialised to -1 and checked for non-zero which
> is always true if the lowest level sched_domain does not have
> SD_BALANCE_NEWIDLE flag set.
>
> Trivial fix to initialise pulled_task to zero.
>
This is already pulled in for 2.6.29, so I am not reviewing it. We can
drop it from the next patch series.
--
Balbir
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