linux-kernel - Re: speeding up swapoff

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Message-ID: <46D6CEF3.3070701@aitel.hist.no>
Date:	Thu, 30 Aug 2007 16:06:43 +0200
From:	Helge Hafting <helge.hafting@...el.hist.no>
To:	Xavier Bestel <xavier.bestel@...e.fr>
CC:	Robert Hancock <hancockr@...w.ca>,
	Daniel Drake <ddrake@...ntes3d.com>,
	Arjan van de Ven <arjan@...radead.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: speeding up swapoff

Xavier Bestel wrote:
> On Thu, 2007-08-30 at 15:55 +0200, Helge Hafting wrote:
>   
>> If the swap device is full, then there is no need for random
>> seeks as the swap pages can be read in disk order.
>>     
>
> If the swap file is full, you probably have a machine dead into a swap
> storm.
Only if you have enough swap. :-)

Helge Hafting
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