From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: Linux: PG_pinned vs. PG_foreign
Date: Mon, 15 Jan 2007 10:10:59 +0000
Message-ID: <C1D103B3.79E4%keir@xensource.com>
References: <45AB59A9.76E4.0078.0@novell.com>
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To: Jan Beulich <jbeulich@novell.com>, xen-devel@lists.xensource.com
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On 15/1/07 09:38, "Jan Beulich" <jbeulich@novell.com> wrote:

> Is it intentional that these two both use PG_arch_1? It seems at least risky
> to me... And if intended, it would certainly deserve a comment. (I was about
> to utilize PG_pinned for indicating pinned highmem-allocated PTEs when I
> realized this collision.)

There's no reason to have them use the same bit if there's a PG_arch_2
available. It was probbaly laziness on my part when I realised that (so far)
ForeignPage and Pinned are mutually exclusive.

 -- Keir