Re: Linux 3.9-rc1

[H. Peter Anvin]

On 03/06/2013 01:33 PM, Yinghai Lu wrote:
> On Wed, Mar 6, 2013 at 12:58 PM, H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> wrote:
> 
>> Excellent.  Yinghai, can you write up the patch with a proper
>> description and I'll put it into x86/urgent.
> 
> I made it more robust: make sure real_end have 8M below it.
> Please check attached one.
> 

Sigh.  This is why "keep the page tables together" is fundamentally the
wrong strategy.

8M means that we won't even be able to boot on machines with less than
16M or so of RAM... I'm not sure if anyone still cares, but that is a
pretty aggressive heuristic.

	-hpa


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