[Gllug] 4G Memory Restriction

Steve Nelson sanelson at gmail.com
Mon Apr 10 12:17:58 UTC 2006

On 4/10/06, Alain Williams <addw at phcomp.co.uk> wrote:
> On Mon, Apr 10, 2006 at 12:30:43PM +0100, Richard Jones wrote:
> > Then if you still have any legacy
> > binary-only 32 bit apps, you can still run them, so long as you also
> > install any legacy libraries they depend on.  Most 64 bit distros make
> > this reasonably easy.
> Note that a 64 bit box should run your 32 bit apps without change.
> Only a few of your apps are (I suspect) going to need > 3GB memory,
> these are the ones to recompile. If the others are difficult, don't
> bother.

Ok this is getting complicated now!  If I understand correctly, if I
wish to migrate the current setup (32 bit kernel, 32 bit userland, 64
bit architecture) to 64 bit throughout, I would need to recompile
applications that required >3G addressable memory space?

> Alain Williams

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