newbie requests advice.

Sean Dilda agrajag at scyld.com
Mon Jun 18 11:57:34 EDT 2001


On Mon, 18 Jun 2001, Mark Hahn wrote:

> > > > * Some of our jobs can use upwards of 4Gb of RAM, from my understanding
> > > >   3Gb is the maximum that a single process can address with 2.4 kernel.
> > > >   Is this limitation something that Network Virtual Memory can help with?
> > > 
> > > No. You'll need a real 64-bit chip for this.
> > 
> > Err.. not quite.  The 2.4 kernel supports up to 64G of RAM on an ia32
> > machine.
> 
> that's not the question.  ia32 is indeed now and forever limited to 4G VM.
> and currently, 3G of it is available to the process.

What I'm trying to say is that this has changed in the 2.4 kernel.  A
system can now support up to 64G of RAM with each process able to
address up to 4G in the VM.
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