Re: increasing the TASK_SIZE

[Gareth Hughes]

Rik van Riel wrote:
> 
> On Thu, 5 Jul 2001, Ernest N. Mamikonyan wrote:
> 
> > I was wondering how I can increase the process address space, TASK_SIZE
> > (PAGE_OFFSET), in the current kernel. It looks like the 3 GB value is
> > hardcoded in a couple of places and is thus not trivial to alter. Is
> > there any good reason to limit this value at all, why not just have it
> > be the same as the max addressable space (64 GB)? We have an ix86 SMP
> > box with 4 GB of RAM and want to be able to allocate all of it to a
> > single program (physics simulation). I would greatly appreciate any help
> > on this.
> 
> The only way to achieve your goal would be to modify the
> hardware. What you want is not possible due to hardware
> limitations of the x86 platform.

I had a sneaking suspicion I didn't know what I was talking about. 
Should have read his original email a little closer :-)

-- Gareth