From: Christoph Hellwig <hch@infradead.org>
To: Anton Altaparmakov <aia21@cantab.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Linus Torvalds <torvalds@transmeta.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [BK PATCH 2.5] fs/binfmt_aout.c: Use PAGE_ALIGN_LL() on 64-bit values
Date: Sun, 28 Jul 2002 20:18:22 +0100 [thread overview]
Message-ID: <20020728201821.A16713@infradead.org> (raw)
In-Reply-To: <5.1.0.14.2.20020728194633.04207dd0@pop.cus.cam.ac.uk>; from aia21@cantab.net on Sun, Jul 28, 2002 at 07:55:51PM +0100
On Sun, Jul 28, 2002 at 07:55:51PM +0100, Anton Altaparmakov wrote:
> I thought (intel) CPUs did 48-bit addressing? How do we support 32GiB of
> RAM? With pure 32-bit addressing it would be limited to 4GiB only... No?
> (Of course I am probably confusing varius types of addresses...)
P6+ support 36bit _physical_ addressing.
next prev parent reply other threads:[~2002-07-28 19:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-27 13:44 Anton Altaparmakov
2002-07-28 17:59 ` Eric W. Biederman
2002-07-28 18:55 ` Anton Altaparmakov
2002-07-28 19:18 ` Christoph Hellwig [this message]
2002-07-28 19:35 ` Eric W. Biederman
2002-07-29 0:31 ` Anton Altaparmakov
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