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Date:      Tue, 25 Aug 1998 09:01:43 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        "John S. Dyson" <dyson@iquest.net>
Cc:        current@FreeBSD.ORG
Subject:   Re: Serious bug in vm_page.h in current
Message-ID:  <Pine.BSF.4.01.9808250859110.17263-100000@herring.nlsystems.com>
In-Reply-To: <199808250722.CAA04575@dyson.iquest.net>

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On Tue, 25 Aug 1998, John S. Dyson wrote:

> 
> PAGE_BUSY is used to set the busy flag, and not the busy
> bitmask.  Attachment contains patch.

Hang on.  I just checked the patch and it doesn't increment m->busy.  The
original call before I put in the atomic arithmetic macros was
'm->busy++'.  After your patch it would change to 'm->flags |= PG_BUSY'
which is very different.

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 951 1891
					Fax:   +44 181 381 1039


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