From: David Mosberger <davidm@napali.hpl.hp.com>
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Date: Mon, 12 May 2003 13:19:17 -0700
To: Michel =?ISO-8859-1?Q?D=E4nzer?= <michel@daenzer.net>
Cc: davidm@hpl.hp.com, Dave Jones <davej@codemonkey.org.uk>,
       linux-kernel@vger.kernel.org, dri-devel@lists.sourceforge.net
Subject: Re: [Dri-devel] Re: Improved DRM support for cant_use_aperture
	platforms
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>>>>> On 12 May 2003 21:48:31 +0200, Michel D?nzer <michel@daenzer.net> said:

  >> using an old kernel that doesn't have asm/agp.h yet?).

  Michel> That's it.

OK, thanks for clarifying.

  Michel> So we have to check the version before #including
  Michel> <asm/agp.h>. Then, we can do something like

  Michel> #ifndef PAGE_AGP #define PAGE_AGP PAGE_KERNEL_NOCACHE #endif

  Michel> Or am I missing something?

Basically correct, except that the patch also needs an improved
version of vmap(), which was introduced in 2.5.68 only (IIRC).  I'll
update my patch so it is a no-op unless you have a kernel >= 2.5.68.

	--david
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