Date: Wed, 26 Nov 2003 04:50:20 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: Amir Hermelin <amir@montilio.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PG_reserved bug
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	Amir Hermelin <amir@montilio.com>, linux-kernel@vger.kernel.org
References: <20031126101744.GJ8039@holomorphy.com> <003e01c3b41b$22140580$1d01a8c0@CARTMAN>
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On Wed, Nov 26, 2003 at 02:45:06PM +0200, Amir Hermelin wrote:
> Ok, fair enough.  According to what you say, this behavior won't change in
> 2.6.  So, I'm still left with my second question: since I do access the
> pages from several places in my module, and I want to use the refcount field
> of the struct page (and not have to wrap the pages in another structure) so
> I know when my page is no longer referenced, how can I make sure it's 'safe'
> to not use the reserved bit?

It looks like you'll have to wrap the pages in another structure.
The refcounts for reserved pages are effectively meaningless.


-- wli
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