From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965746AbXDBTfd (ORCPT ); Mon, 2 Apr 2007 15:35:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965747AbXDBTfd (ORCPT ); Mon, 2 Apr 2007 15:35:33 -0400 Received: from vms044pub.verizon.net ([206.46.252.44]:38686 "EHLO vms044pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965746AbXDBTfc (ORCPT ); Mon, 2 Apr 2007 15:35:32 -0400 Date: Mon, 02 Apr 2007 15:35:17 -0400 From: Gene Heskett Subject: Re: mmap error? In-reply-to: <8EF5AE61-FC1C-4BA2-BB8D-B55221D8846B@mac.com> To: linux-kernel@vger.kernel.org Cc: Kyle Moffett Message-id: <200704021535.17567.gene.heskett@gmail.com> Organization: Organization? very little MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7bit Content-disposition: inline References: <200704021030.29747.gene.heskett@gmail.com> <200704021354.32636.gene.heskett@gmail.com> <8EF5AE61-FC1C-4BA2-BB8D-B55221D8846B@mac.com> User-Agent: KMail/1.9.6 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 02 April 2007, Kyle Moffett wrote: >On Apr 02, 2007, at 13:54:28, Gene Heskett wrote: >> Ahh, thank you very much. But I have 7.0, supposedly fixed, >> sigh... That did fix it, the dvd is burning as I type, again thanks. >> >> ???? Can I put this into rc.local so its global? I guess I will >> just for effects. Or is there an option in a make xconfig to reset >> this to a usable sized limit?, because I can see cups also having >> problems since I have its render cache set for 127 megs, which >> should also trigger this. > >Well, that's not a limit on how much memory you can map, it's a limit >on how many pages you can lock into memory (as in, cannot be swapped >out or written back to disk and reused). For low-latency >applications (IE: cd burning) you need to have all memory mlocked so >that you don't get a low-latency wakup and then promptly lose all >latency guarantees by swapping madly, but something like CUPS doesn't >have a problem because it doesn't use mlock() or mlockall(). > Ah, that clarifies that then, thanks Kyle. >Cheers, >Kyle Moffett -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) The perversity of nature is nowhere better demonstrated by the fact that, when exposed to the same atmosphere, bread becomes hard while crackers become soft.