From: Joseph A Knapka <jknapka@earthlink.net>
To: "Gabriel.Leen" <Gabriel.Leen@ul.ie>
Cc: "'linux-mm@kvack.org'" <linux-mm@kvack.org>
Subject: Re: Process not given >890MB on a 4MB machine ?????????
Date: Mon, 24 Sep 2001 21:16:58 +0000 [thread overview]
Message-ID: <3BAFA2CA.FAA0D9CB@earthlink.net> (raw)
In-Reply-To: <5D2F375D116BD111844C00609763076E050D1680@exch-staff1.ul.ie>
"Gabriel.Leen" wrote:
>
> Hello again,
> And thanks,
>
> >You will either need to use a true 64-bit machine (POWER, Alpha,
> >UltraSPARC or MIPS)
>
> I hope (fingers crossed) that there is some way around this
> I think that Redhat now supports up to 64GB of ram,
> as the Xeon has 36 address lines, see attached.
>
> I'm only grasping at straws here, but I hope that it is somehow possible
> on this machine?
No. You still only get a maximum of 4GB of -virtual- space per
process. The machine can address up to 64GB of -physical- RAM,
but a single process (actually a single page directory) can
see only 4GB at a time. Sorry :-(
-- Joe
# Replace the pink stuff with net to reply.
# "You know how many remote castles there are along the
# gorges? You can't MOVE for remote castles!" - Lu Tze re. Uberwald
# Linux MM docs:
http://home.earthlink.net/~jknapka/linux-mm/vmoutline.html
--
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next prev parent reply other threads:[~2001-09-24 21:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-24 22:41 Gabriel.Leen
2001-09-24 21:16 ` Joseph A Knapka [this message]
2001-09-25 10:59 ` Stephen C. Tweedie
2001-09-25 17:36 ` afei
2001-09-26 7:04 ` Eric W. Biederman
2001-09-26 8:53 ` Stephen C. Tweedie
[not found] <5D2F375D116BD111844C00609763076E050D1681@exch-staff1.ul.ie>
2001-09-24 22:49 ` Rik van Riel
-- strict thread matches above, loose matches on Subject: below --
2001-09-24 21:15 Gabriel.Leen
2001-09-24 22:16 ` Jonathan Morton
2001-09-21 16:07 Gabriel.Leen
2001-09-22 2:01 ` Rik van Riel
2001-09-20 19:25 Gabriel.Leen
2001-09-20 19:56 ` brian
2001-09-20 20:36 ` Thierry Vignaud
2001-09-20 20:56 ` Benjamin LaHaise
2001-09-21 8:29 ` Eric W. Biederman
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