From: Gareth Hughes <gareth.hughes@acm.org>
To: Rik van Riel <riel@conectiva.com.br>
Cc: "Ernest N. Mamikonyan" <ernest@newton.physics.drexel.edu>,
linux-kernel@vger.kernel.org
Subject: Re: increasing the TASK_SIZE
Date: Tue, 10 Jul 2001 11:40:38 +1000 [thread overview]
Message-ID: <3B4A5D16.45954897@acm.org> (raw)
In-Reply-To: <Pine.LNX.4.33L.0107091509230.9081-100000@imladris.rielhome.conectiva>
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
prev parent reply other threads:[~2001-07-10 1:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-05 21:21 increasing the TASK_SIZE Ernest N. Mamikonyan
2001-07-09 11:15 ` Matti Aarnio
2001-07-09 19:30 ` Albert D. Cahalan
2001-07-09 14:46 ` Gareth Hughes
2001-07-09 19:34 ` Richard B. Johnson
2001-07-09 18:10 ` Rik van Riel
2001-07-10 1:40 ` Gareth Hughes [this message]
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