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To: Byron Stanoszek <gandalf@winds.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Using video memory as system memory
In-Reply-To: <Pine.LNX.4.44.0204091816380.13516-100000@winds.org>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: 12 Apr 2002 01:54:05 -0600
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Byron Stanoszek <gandalf@winds.org> writes:

> I have an old 586 that has low memory and no ability for further upgrades.
> I had an idea to use the framebuffer memory of a 32MB video card lying around
> the office as system memory and implemented the following patch:

There are significant speed differences between video card ram
and ram on a PCI card.  

Setup an mtd device and use the video card ram for swap.  It's
about 10 lines more code, is testable as a module, and is code that
is clean enough some variant of it might even get into the kernel.

Eric
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