Message-ID: <4B58BC31.1040406@crca.org.au>
Date: Fri, 22 Jan 2010 07:42:25 +1100
From: Nigel Cunningham <ncunningham@crca.org.au>
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
CC: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>,
       linux-pm@lists.linux-foundation.org,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during	suspend/resume
 (was: Re: Memory allocations in .suspend	became very unreliable)
References: <20100120085053.405A.A69D9226@jp.fujitsu.com>	<201001202221.34804.rjw@sisk.pl>	<20100121091023.3775.A69D9226@jp.fujitsu.com> <201001212121.50272.rjw@sisk.pl>
In-Reply-To: <201001212121.50272.rjw@sisk.pl>
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Hi.

Rafael J. Wysocki wrote:
> On Thursday 21 January 2010, KOSAKI Motohiro wrote:
>>  - Ask all drivers how much they require memory before starting suspend and
>>    Make enough free memory at first?
> 
> That's equivalent to reworking all drivers to allocate memory before suspend
> eg. with the help of PM notifiers.  Which IMHO is unrealistic.

What's unrealistic about it? I can see that it would be a lot of work,
but unrealistic? To me, at this stage, it sounds like the ideal solution.

Regards,

Nigel
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