From: William Lee Irwin III <wli@holomorphy.com>
To: "Raymond B. Jennings III" <raymondj@watson.ibm.com>
Cc: linux-mm@kvack.org
Subject: Re: Top 128MB of virtual address space
Date: Thu, 27 Feb 2003 14:11:51 -0800 [thread overview]
Message-ID: <20030227221151.GA24172@holomorphy.com> (raw)
In-Reply-To: <3E5E8832.688AE0CB@watson.ibm.com>
On Thu, Feb 27, 2003 at 04:50:42PM -0500, Raymond B. Jennings III wrote:
> For linux running on an Intel machine without PAE, the top 128MB of
> virtual address space:
> If
> PKMAP_BASE = FE000000
> and
> FIXADDR_START=FFF55000
> That leaves a 32MB area. I believe the permanent highmem mappings are
> 1024 pages so that leaves 28MB of address space. What is this space
> used for if anything?
Nothing. This is fixed in 2.5
-- wli
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prev parent reply other threads:[~2003-02-27 22:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-27 21:50 Raymond B. Jennings III
2003-02-27 22:11 ` William Lee Irwin III [this message]
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