Re: [PATCH] x86_64: allocate gart aperture from 512M

From: Ingo Molnar
Date: Wed Apr 16 2008 - 05:30:31 EST



* Yinghai Lu <yhlu.kernel.send@xxxxxxxxx> wrote:

> [PATCH] x86_64: allocate gart aperture from 512M
>
> because we try to reserve dma32 early, so we have chance to get
> aperture from 64M
>
> with some sequence aperture allocated from RAM, could become
> E820_RESERVED.
>
> and then if folling up one kexec one big kernel that uncompressed size
> is above
>
> 64M could have conflict with still using gart.
>
> So allocate gart aperture from 512M instead.
>
> Also change the fallback_aper_order to 5, because we don't have chance
> to get 2G or 4G aperture.

thanks, applied.

Ingo
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