* Joseph Gleason <[EMAIL PROTECTED]> [010311 20:48] wrote:
> 
> ----- Original Message -----
> From: "Alfred Perlstein" <[EMAIL PROTECTED]>
> To: "Ian Campbell" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Sunday, March 11, 2001 23:41
> Subject: Re: Greater than 2GB per process
> 
> 
> > * Ian Campbell <[EMAIL PROTECTED]> [010311 16:14] wrote:
> > >
> > > Hello,
> > > Could anybody advise me on the possiblity of having greater than
> > > 2GB per process on FreeBSD. I have tried increasing the limit beyond
> this
> > > and the kernel compiles successfully - however libc causes every process
> > > to segfault. I am assuming that just recompiling the C library wouldn't
> do
> > > the trick but perhaps someone could confirm this.
> >
> > It's not possible on the Intel archetecture with the current system,
> > changing the current intel system to use > 2GB processes would cost too
> > much in terms of performance (64 bit values on a 32 bit system).
> >
> > At least that's what i've been told.
> >
> 
> I know very little about how kernel or low level processor stuff works, but
> shouldn't we be able to do a 4GB process on a 32-bit system?
> The limitation of 2GB per process should only be an issue if there is some
> need to use signed numbers, right?

Yes, we use signed numbers.  Check the list archives, there's some
pretty detailed discussions that explain why it's this way.

-- 
-Alfred Perlstein - [[EMAIL PROTECTED]|[EMAIL PROTECTED]]

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