From: Gareth Hughes <gareth.hughes@acm.org>
To: "Ernest N. Mamikonyan" <ernest@newton.physics.drexel.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: increasing the TASK_SIZE
Date: Tue, 10 Jul 2001 00:46:29 +1000 [thread overview]
Message-ID: <3B49C3C5.1A852029@acm.org> (raw)
In-Reply-To: <3B44DA51.10D3F0C0@newton.physics.drexel.edu>
"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.
Sounds like you just need to enable highmem. Check the help for "High
Memory Support" in "Processor type and features".
-- Gareth
next prev parent reply other threads:[~2001-07-09 14:47 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 [this message]
2001-07-09 19:34 ` Richard B. Johnson
2001-07-09 18:10 ` Rik van Riel
2001-07-10 1:40 ` Gareth Hughes
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