Re: 2.6.20-rc7 mtrr handling

[H. Peter Anvin]

Sebastian Kemper wrote:
> On Thursday 01 February 2007 07:13, you wrote:
> > Sebastian Kemper wrote:
> > > But now /proc/mtrr shows 256MB of video ram, same as lspci, whereas
> > > the real amount of video ram (as properly detected by X) is only
> > > 128MB.
> > The size of the aperture doesn't have to match the actual amount of
> > memory.  For many cards it doesn't.
> >
> > 	-hpa
>
> Hello Peter,
>
> sorry, I don't understand. Are you talking about the AGP Aperture size 
> that I can set in my BIOS or about the actual video ram on the graphics 
> card. Because that's the one that the mtrr sets to its double size.

Neither.  I'm talking about the window in the address space, as shown in 
/proc/pci.

	-hpa
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