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From: William Lee Irwin III <wli@holomorphy.com>
To: Fawad Lateef <fawad_lateef@yahoo.com>
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: Plzz help me regarding HIGHMEM (PAE) confusion in Linux-2.4 ???
Date: Thu, 9 Dec 2004 03:07:34 -0800	[thread overview]
Message-ID: <20041209110734.GY2714@holomorphy.com> (raw)
In-Reply-To: <20041209105603.4725.qmail@web53908.mail.yahoo.com>

On Thu, Dec 09, 2004 at 02:56:03AM -0800, Fawad Lateef wrote:
> Now the kernel is using the pagetables for kmaps hav
> PGD entry for accessing starting 4GB, but how it goes
> beyond that ? 

Only %cr3 is restricted to 32-bit physical addresses. The entries in
the pgd's, pmd's, and pte's themselves are all 36-bit physical
addresses.


-- wli
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      reply	other threads:[~2004-12-09 11:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-09 10:56 Fawad Lateef
2004-12-09 11:07 ` William Lee Irwin III [this message]

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