From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: ctwhite@us.ibm.com (Clifford White)
Cc: linux-kernel@vger.kernel.org
Subject: Re: x86 question: Can a process have > 3GB memory?
Date: Wed, 8 May 2002 00:33:14 +0100 (BST) [thread overview]
Message-ID: <E175ESI-0000PX-00@the-village.bc.nu> (raw)
In-Reply-To: <OF4EFD903E.F8196584-ON87256BB2.007DEC69@boulder.ibm.com> from "Clifford White" at May 07, 2002 04:03:09 PM
> We'd like to go > 3GB of memory per process.
> Is this possible on a 32-bit machine? I have been reading the various
Yes and no...
> Any pointers would be appreciated. The Intel ESMA (Extended Server Memory
> Arch) page states that it's possible, but.....how?
Remember DOS and EMM memory expansion. Basically that is what you come
down to. Allocate multiple large shared memory segments, attach the one
you need each time and implement software segment swapping.
That should have you diving for an AMD hammer or IA64 box as soon as they
come out 8)
next prev parent reply other threads:[~2002-05-07 23:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-07 23:03 Clifford White
2002-05-07 23:08 ` Robert Love
2002-05-08 5:33 ` Martin J. Bligh
2002-05-08 8:29 ` Andrea Arcangeli
2002-05-08 16:21 ` Robert Love
2002-05-07 23:33 ` Alan Cox [this message]
2002-05-08 16:54 ` Bill Davidsen
2002-05-08 0:16 ` Gerrit Huizenga
2002-05-08 0:56 ` Rik van Riel
2002-05-08 15:12 ` Martin J. Bligh
2002-05-08 15:17 ` Rik van Riel
2002-05-08 15:24 ` Andi Kleen
2002-05-09 21:24 ` tchiwam
2002-05-09 21:40 ` Robert Love
2002-05-09 23:56 ` Albert D. Cahalan
2002-05-10 6:58 ` Anton Blanchard
2002-05-10 19:07 ` Bill Davidsen
2002-05-10 19:42 ` Alan Cox
2002-05-10 19:41 ` Linus Torvalds
2002-05-08 8:22 ` Luigi Genoni
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