From owner-freebsd-hackers@FreeBSD.ORG Wed Oct 27 19:43:51 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 3FACF1065673 for ; Wed, 27 Oct 2010 19:43:51 +0000 (UTC) (envelope-from drbaud@yahoo.com) Received: from web120719.mail.ne1.yahoo.com (web120719.mail.ne1.yahoo.com [98.138.83.126]) by mx1.freebsd.org (Postfix) with SMTP id E39118FC16 for ; Wed, 27 Oct 2010 19:43:50 +0000 (UTC) Received: (qmail 29536 invoked by uid 60001); 27 Oct 2010 19:17:10 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1288207030; bh=QG2xnxqtl3HUPQA+XF03weYjpIqtSv3CX8FylsMeGV4=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=koHme6v25Gmn9HXxefXVD7zm+abxR+PBruBLJWcsaY8b4spBBswCnI5IRf1itPbcf7DA+S/BTfKsjT4NKEWyddI4r0kXSRWlUj7haNhKDwYc19Fu590lHT1oIy1SnT+TUepG0MCyPgS52+W3yxu8/9DdUj792YT6JUzSrm86GOI= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=D4ZHCJCcMGh5kg8Zx6wVjNEoQAah56zdASXhmxkzUBaNTGaFcONqiUY68oB0D4PR0nDCkxydjGY9VxQC9M+T8bhqtdDySE7t085sLRe9MweHNqRR9iXiwFO/A40exssYw02EtrPj8NOK6ZldMfsLmLotPXcL0f4q4kpz/KCRS3U=; Message-ID: <89857.29286.qm@web120719.mail.ne1.yahoo.com> X-YMail-OSG: XVsSWbAVM1lntr4qb.yTYuuyEQpUnCBXPunqzORd2ugJIrU gCWfohjI5vBaPCrsUoehco.26pE97JvSDBds7iYjP2uQsaECVpExahj.e7bb WFoWOGDxkjDk9H5NBtDCGi3h2jxu_TZHu8SoL0fZQZdp5Fz0m5jo7ilZ2wUW lFFQQ.4VAtZzWq9.mzmlLPyFvc6PmZAXERRWuac4HY0vpwj52YGwQSmoDr0V JtQrwDX9UciyB1y1Oifq9D7Ie.uPhCozX_7_yWCWY Received: from [64.238.244.146] by web120719.mail.ne1.yahoo.com via HTTP; Wed, 27 Oct 2010 12:17:10 PDT X-Mailer: YahooMailRC/504.5 YahooMailWebService/0.8.107.284920 Date: Wed, 27 Oct 2010 12:17:10 -0700 (PDT) From: "Dr. Baud" To: freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailman-Approved-At: Wed, 27 Oct 2010 20:06:13 +0000 Subject: Contiguous physical memory 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: Wed, 27 Oct 2010 19:43:51 -0000 Can anyone suggest a method/formula to monitor contiguous physical memory allocations such that one could predict when contigmalloc(), make that bus_dmamem_alloc might fail? Dr