From owner-freebsd-hackers@FreeBSD.ORG Thu Oct 28 07:48:11 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 772CD106564A for ; Thu, 28 Oct 2010 07:48:11 +0000 (UTC) (envelope-from eknath.iyer@gmail.com) Received: from mail-fx0-f54.google.com (mail-fx0-f54.google.com [209.85.161.54]) by mx1.freebsd.org (Postfix) with ESMTP id C52D98FC13 for ; Thu, 28 Oct 2010 07:48:10 +0000 (UTC) Received: by fxm17 with SMTP id 17so1662595fxm.13 for ; Thu, 28 Oct 2010 00:48:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=bV8oEZZKwPHKFEPWh345w923xLQ4WwMbzWe8Zjf47qQ=; b=qzOwtNRbgcD3wu7qsTYmSbbfU7hZTGwOPPtlZPy9GSBfiUVETKIUGMBqh/ODcGKCw5 t4plu2RbQZjRGi2uB4w2b9Q9GEKqrE7ecT3VW681f3+5GxxYEn5hpMDJ6dCbNO9jbIPy iT3QpC9Tg5IpfoHW54O6pAMNQZjdcGwMmICdQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=S8fO6y9wTcZU4p8XkCHac+DYBIMvtuX+KmgDSBS3lzhgkOy/GdPUJbUEUOsMWOrZBm McNSMacfcmC7k6grDIZrv7t6jX/pikAYU88D83EAnIb/xGfnDiMboMhQhrOcL78YaQ15 NCrsZX46y1m3VYzD2u73mb+MG5JsYb7nBS5sA= MIME-Version: 1.0 Received: by 10.239.135.8 with SMTP id b8mr671465hbb.28.1288252089464; Thu, 28 Oct 2010 00:48:09 -0700 (PDT) Received: by 10.239.150.67 with HTTP; Thu, 28 Oct 2010 00:48:09 -0700 (PDT) Date: Thu, 28 Oct 2010 03:48:09 -0400 Message-ID: From: Eknath Venkataramani To: freebsd-hackers@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: vm_object ref_count question X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Oct 2010 07:48:11 -0000 ref_count is defined inside struct vm_object. and it is incremented everytime the object is referenced How is the page reference logged then? rather in which variable? -- Eknath Venkataramani