From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [RFC] VM: I have a dream...
Date: Fri, 03 Feb 2006 14:46:05 +0000
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Cc: Kyle Moffett <mrmacman_g4@mac.com>,
	Bryan Henderson <hbryan@us.ibm.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
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To: Al Boldi <a1426z@gawab.com>
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On Iau, 2006-02-02 at 21:59 +0300, Al Boldi wrote:
> So w/ 1GB RAM, no swap, and 1TB disk mmap'd, could this mmap'd space be added 
> to the total memory available to the OS, as is done w/ swap?

Yes in theory. It would be harder to manage.

> And if that's possible, why not replace swap w/ mmap'd disk-space?

Swap is just somewhere to stick data that isnt file backed, you could
build a swapless mmap based OS but it wouldn't be quite the same as
Unix/Linux are.