linux-kernel - Re: 2.6.22 - Suspend and Weird Load Averages

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Message-Id: <200707261414.23430.rjw@sisk.pl>
Date:	Thu, 26 Jul 2007 14:14:22 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Parag Warudkar" <parag.warudkar@...il.com>
Cc:	"Pavel Machek" <pavel@....cz>, linux-kernel@...r.kernel.org,
	"Nigel Cunningham" <ncunningham@...uxmail.org>
Subject: Re: 2.6.22 - Suspend and Weird Load Averages

On Wednesday, 25 July 2007 21:40, Parag Warudkar wrote:
> Hi Pavel!
> 
> On 7/25/07, Pavel Machek <pavel@....cz> wrote:
> 
> > Known, and Rafael/Nigel have patches to fix that.
> 
> Thanks for the info - Rafael/Nigel do you have any patches for me to
> try/modify -

Well, I don't.

> I am just curious to see what approach the patches take 
> to fix this - I had started thinking about TASK_SUSPENDED which would
> be equivalent to TASK_UNINTERRUPTIBLE for all purposes except load
> calculation (not counted in nr_uninterruptible) but somehow I think
> there might be a less intrusive / more correct way to do this.

We wanted to save the pre-suspend load averages and restore them during the
resume.

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
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