From: Andi Kleen <ak@suse.de>
To: Roland Dreier <rolandd@cisco.com>
Cc: linux-kernel@vger.kernel.org, marcel@holtmann.org
Subject: Re: 4GB memory and Intel Dual-Core system
Date: 28 Oct 2005 00:12:04 +0200 [thread overview]
Message-ID: <p73wtjy38zv.fsf@verdi.suse.de> (raw)
In-Reply-To: <52mzkuwuzg.fsf@cisco.com>
Roland Dreier <rolandd@cisco.com> writes:
>
> I don't know if EM64T systems (or whatever the right term is) have a
> way of remapping some RAM above 4 GB so that you can use all your
> memory in a case like this.
The lower/middle end non server intel chipsets typically only support
4GB of physical address space in hardware. No memory remapping
possible. So with 4GB RAM you always lose to the memory hole.
-Andi
next prev parent reply other threads:[~2005-10-27 22:12 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 20:33 4GB memory and Intel Dual-Core system Marcel Holtmann
2005-10-27 20:44 ` Roland Dreier
2005-10-27 20:51 ` Marcel Holtmann
2005-10-27 20:54 ` Roland Dreier
2005-10-27 21:00 ` Marcel Holtmann
2005-10-27 21:06 ` Roland Dreier
2005-10-27 21:08 ` Marcel Holtmann
2005-10-27 21:10 ` Alejandro Bonilla
2005-10-27 20:57 ` Alejandro Bonilla
2005-10-27 20:54 ` Alejandro Bonilla
2005-10-27 20:57 ` Marcel Holtmann
2005-10-27 21:02 ` Alejandro Bonilla
2005-10-27 21:07 ` Marcel Holtmann
2005-10-27 21:15 ` Alejandro Bonilla
2005-10-27 21:19 ` Marcel Holtmann
2005-10-27 22:26 ` Joe Bob Spamtest
2005-10-27 22:05 ` Dave Jones
2005-10-27 22:09 ` Vladimir Lazarenko
2005-11-02 16:21 ` Lennart Sorensen
2005-10-27 22:11 ` Marcel Holtmann
2005-10-27 22:12 ` Dave Jones
2005-10-27 22:17 ` Marcel Holtmann
2005-10-27 22:20 ` Alejandro Bonilla
2005-10-28 0:33 ` Bernd Eckenfels
2005-10-30 22:26 ` Alan Cox
2005-10-31 3:39 ` Alejandro Bonilla Beeche
2005-10-31 13:02 ` Alan Cox
2005-10-31 23:03 ` Martin J. Bligh
2005-11-01 5:03 ` thockin
2005-10-27 22:29 ` Joel Jaeggli
2005-10-27 22:13 ` Alejandro Bonilla
2005-10-27 22:18 ` Marcel Holtmann
2005-10-28 2:35 ` Fawad Lateef
2005-10-28 3:09 ` Joel Jaeggli
2005-10-28 7:19 ` Fawad Lateef
2005-10-28 15:56 ` Joe Bob Spamtest
2005-10-28 15:29 ` Eric W. Biederman
2005-10-28 15:45 ` Alejandro Bonilla
2005-10-28 16:09 ` Eric W. Biederman
2005-10-30 22:24 ` Alan Cox
2005-11-02 16:20 ` Lennart Sorensen
2005-10-27 22:12 ` Andi Kleen [this message]
2005-10-27 21:09 ` linux-os (Dick Johnson)
2005-10-27 21:32 ` Bernd Eckenfels
-- strict thread matches above, loose matches on Subject: below --
2005-10-28 20:58 Lukas Hejtmanek
2005-10-29 3:32 ` Dave Jones
2005-10-29 11:15 ` Marcel Holtmann
2005-10-30 6:49 ` Dave Jones
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