On Tue, 2006-07-04 at 09:41 -0700, Christoph Lameter wrote:
> On Tue, 4 Jul 2006, Arjan van de Ven wrote:
>
> > > will need to have highmem? I guess the 2G/2G
> > > config option changes that?
> >
> > but that breaks userspace ABI and things that really want a lot of
> > memory ;)
>
> Really? What things does it break? Sorry about my i386 ignorance.
things that assume you can malloc a 2gb area for example, or use a 2Gb
stack. Yes fortran apps do that..
>
> > Thankfully x86-64 is there, and just about all systems sold today do 64
> > bit..
>
> Right but then some binary stuff is only available for 32 bit.
the good news is that x86-64 has a pretty good 32 bit emulation... so
that's not an actual problem...
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