From: William Lee Irwin III <wli@holomorphy.com>
To: Rudolf Usselmann <rudi@asics.ws>
Cc: Stefan Smietanowski <stesmi@stesmi.com>,
Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Frank Denis (Jedi/Sector One)" <j@pureftpd.org>,
linux-kernel@vger.kernel.org, Jeff Garzik <jgarzik@pobox.com>
Subject: Re: kernel (64bit) 4GB memory support
Date: Thu, 12 May 2005 08:13:45 -0700 [thread overview]
Message-ID: <20050512151345.GG9304@holomorphy.com> (raw)
In-Reply-To: <1115870693.8406.53.camel@cpu10>
On Thu, 2005-05-12 at 05:56 +0200, Stefan Smietanowski wrote:
>>> In 32bit it probably uses the PSE36 extensions or something, which isn't
>>> the same thing as flat 64bit memory access. It could just be a matter
>>> of needing a memory hole somewhere for PCI space or something. I only
>>> have 1G in my 64bit machine so I haven't got near these problems.
On Thu, May 12, 2005 at 11:04:53AM +0700, Rudolf Usselmann wrote:
>> I don't recall him saying he's changed kernel from the default redhat
>> kernel in which case he's running the RedHat 4G/4G split kernel and not
>> using PSE/PAE.
PSE36 is 4MB pages (no 4KB pages allowed!), 36-bit physical addresses.
-- wli
next prev parent reply other threads:[~2005-05-12 15:14 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-11 8:16 kernel (64bit) 4GB memory support Rudolf Usselmann
2004-12-11 10:06 ` Jeff Garzik
2004-12-11 10:13 ` Rudolf Usselmann
2004-12-11 11:22 ` Andrew Walrond
2004-12-11 17:47 ` Jeff Garzik
2004-12-12 4:12 ` Rudolf Usselmann
2004-12-12 4:41 ` Zwane Mwaikambo
2004-12-12 5:10 ` Rudolf Usselmann
2004-12-12 8:32 ` Zwane Mwaikambo
2004-12-12 9:15 ` Rudolf Usselmann
2004-12-12 16:35 ` Zwane Mwaikambo
2004-12-14 12:25 ` Rudolf Usselmann
2004-12-15 4:22 ` Zwane Mwaikambo
[not found] ` <20041216074905.GA2417@c9x.org>
2004-12-16 16:09 ` Rudolf Usselmann
2004-12-20 19:49 ` Zwane Mwaikambo
2004-12-21 16:23 ` Rudolf Usselmann
2004-12-21 16:33 ` Zwane Mwaikambo
2004-12-21 16:39 ` Rudolf Usselmann
2004-12-21 16:56 ` Zwane Mwaikambo
2005-05-09 15:56 ` Rudolf Usselmann
2005-05-09 20:07 ` Lennart Sorensen
2005-05-10 19:48 ` Rudolf Usselmann
2005-05-10 20:03 ` Lee Revell
2005-05-11 5:02 ` Rudolf Usselmann
2005-05-10 22:58 ` Terry Vernon
2005-05-12 3:53 ` Stefan Smietanowski
2005-05-11 14:27 ` Lennart Sorensen
2005-05-12 3:56 ` Stefan Smietanowski
2005-05-12 4:04 ` Rudolf Usselmann
2005-05-12 15:13 ` William Lee Irwin III [this message]
2005-05-09 20:07 ` Andi Kleen
2005-05-09 22:24 ` Zwane Mwaikambo
2005-05-10 19:50 ` Rudolf Usselmann
2005-05-09 23:13 ` kernel (64bit) 4GB memory support II Andi Kleen
2005-01-13 17:26 ` kernel (64bit) 4GB memory support Rudolf Usselmann
2005-01-14 23:34 ` Zwane Mwaikambo
2005-01-15 5:34 ` Rudolf Usselmann
2005-01-17 4:54 ` Zwane Mwaikambo
2004-12-11 11:35 ` bert hubert
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