On Wed, Mar 06, 2013 at 01:49:15PM -0800, H. Peter Anvin wrote:
> On 03/06/2013 01:33 PM, Yinghai Lu wrote:
> > On Wed, Mar 6, 2013 at 12:58 PM, H. Peter Anvin <h...@linux.intel.com> 
> > 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.

Maybe this should be a config option, given the ad-hoc nature of the
chosen value? Anyway, the patch works.

Henrik
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