From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: odd gfn number checking in p2m.c Date: Sun, 19 Sep 2010 17:49:03 +0200 Message-ID: <20100919154903.GA32635@aepfle.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hello, how can a gfn become 0x555555 as checked in p2m.c:guest_physmap_add_entry() and p2m_alloc_table()? Looking further in p2m.c, audit_p2m() checks only for a 32bit value. So where is that magic number set, and why is it not a define to simplify grepping for users of that value? Olaf