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Message-Id: <200906122104.34958.rjw@sisk.pl>
Date: Fri, 12 Jun 2009 21:04:33 +0200
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: Pavel Machek <pavel@....cz>
Cc: Linux PM List <linux-pm@...ts.linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Cornelia Huck <cornelia.huck@...ibm.com>,
Magnus Damm <damm@...l.co.jp>,
"Greg Kroah-Hartman" <gregkh@...e.de>,
Wu Fengguang <fengguang.wu@...el.com>,
Alan Stern <stern@...land.harvard.edu>,
Sergio Luis <sergio@...ces.uece.br>,
Lauro Salmito <laurosalmito@...il.com>,
Jaswinder Singh Rajput <jaswinder@...nel.org>,
Ingo Molnar <mingo@...e.hu>,
Nigel Cunningham <nigel@...onice.net>
Subject: Re: [PATCH 12/19] PM/Suspend: Do not shrink memory before suspend
On Friday 12 June 2009, Pavel Machek wrote:
> On Thu 2009-06-11 22:39:03, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> >
> > Remove the shrinking of memory from the suspend-to-RAM code, where
> > it is not really necessary.
>
> I still have not seen any explanation why it is not neccessary.
>
> It is true that I did not have time to stress my system to the point
> when it has 0 pages free, but we certainly know that it is possible,
> and we know that at least one driver allocates memory and will be
> broken if that happens.
>
> NAK.
Sorry, I'm going to let Linus decide about this one.
Best,
Rafael
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