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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