From owner-cvs-all@FreeBSD.ORG Sat Apr 16 11:01:49 2005 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6599616A4CE; Sat, 16 Apr 2005 11:01:49 +0000 (GMT) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 65A2643D31; Sat, 16 Apr 2005 11:01:48 +0000 (GMT) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [10.1.1.7]) (authenticated bits=0)j3GB1hnp077401 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Sat, 16 Apr 2005 13:01:45 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [IPv6:3ffe:400:8d0:301::12]) by cicely5.cicely.de (8.12.10/8.12.10) with ESMTP id j3GB1Chs048053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 16 Apr 2005 13:01:13 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.12.11/8.12.11) with ESMTP id j3GB1CSV073280; Sat, 16 Apr 2005 13:01:12 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.12.11/8.12.11/Submit) id j3GB1C9K073279; Sat, 16 Apr 2005 13:01:12 +0200 (CEST) (envelope-from ticso) Date: Sat, 16 Apr 2005 13:01:11 +0200 From: Bernd Walter To: John Baldwin Message-ID: <20050416110110.GA70553@cicely12.cicely.de> References: <200504152145.j3FLj2Oi004736@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200504152145.j3FLj2Oi004736@repoman.freebsd.org> X-Operating-System: FreeBSD cicely12.cicely.de 5.2-CURRENT alpha User-Agent: Mutt/1.5.6i X-Spam-Status: No, hits=-4.9 required=3.0 tests=BAYES_00 autolearn=no version=2.64 X-Spam-Report: * -4.9 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on cicely12.cicely.de cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_pageq.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ticso@cicely.de List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Apr 2005 11:01:49 -0000 On Fri, Apr 15, 2005 at 09:45:02PM +0000, John Baldwin wrote: > jhb 2005-04-15 21:45:02 UTC > > FreeBSD src repository > > Modified files: > sys/vm vm_pageq.c > Log: > Add a vm.blacklist tunable which can hold a space or comma seperated list > of physical addresses. The pages containing these physical addresses will > not be added to the free list and thus will effectively be ignored by the > VM system. This is mostly useful for the case when one knows of specific > physical addresses that have bit errors (such as from a memtest run) so > that one can blacklist the bad pages while waiting for the new sticks of > RAM to arrive. The physical addresses of any ignored pages are listed in > the message buffer as well. Sounds like this could be used if physical memory in non-continuous. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de