From: Andi Kleen <ak@suse.de>
To: Rene Herman <rene.herman@keyaccess.nl>
Subject: Re: Patch to reorder functions in the vmlinux to a defined order
Date: Thu, 23 Feb 2006 20:31:02 +0100
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Cc: Linus Torvalds <torvalds@osdl.org>,
       Arjan van de Ven <arjan@linux.intel.com>, linux-kernel@vger.kernel.org,
       akpm@osdl.org, mingo@elte.hu
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On Thursday 23 February 2006 20:23, Rene Herman wrote:
> Linus Torvalds wrote:
> 
> > The same should be true on x86, btw. Where we should use a physical start 
> > address of 4MB for best performance.
> 
> Does 16MB still work? Gets the kernel out of the old ZONE_DMA. I suppose 
> not many people are really using that anyway anymore these days, but if 
> no downsides maybe?

That would prevent booting on < 18MB or so
> 
> Also, did the kernel still boot on a 4M machine, and would it still do 
> so with the change to 4M as posted? 2.4 used to boot fine with 4M. Not 
> certain anymore if I ever tested that with 2.6 (and can't right now).

It wouldn't without additional changes.

-Andi

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