From owner-svn-src-all@FreeBSD.ORG Fri Nov 2 21:26:14 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8BE91D3; Fri, 2 Nov 2012 21:26:14 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by mx1.freebsd.org (Postfix) with ESMTP id 4E7DE8FC0A; Fri, 2 Nov 2012 21:26:14 +0000 (UTC) Received: by mail-pa0-f54.google.com with SMTP id bi1so2899797pad.13 for ; Fri, 02 Nov 2012 14:26:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=eRvBKYAea/7sVan8x5ZgWduoui0OP/H3K8OO4gJsp2Y=; b=Dbs7IsUps8cDnSQEU6B0PF80HzEsTmKI73Gftqfk/LbmoxkVnPuCxL8ofH/9SlKZUd mL76HP/bp0VCDIW0uiekr4QUixCIVSsJP/w2223UH765UrdDxpDSKRJCSkJOsxYQqNz9 TB7Ud5BfVtttVnVRLRKj/fMks2je1c1sj/7pjWAMeNmOT/DQpUj3vrdllhnQqRRfRO+2 VKWqQvSb5QI4NYTnGPQm9bY1R9bipkhXVoRuOdGf9s/WLfwOFTJCpIiIAG1obG0lSAth wap6pNtiRolU1OdIcoayJO7Rx+BaCUWSSoWfBtATJHv5n45HQRnetG//otlubkZudHZL K5Fg== MIME-Version: 1.0 Received: by 10.66.73.230 with SMTP id o6mr8670547pav.45.1351891573946; Fri, 02 Nov 2012 14:26:13 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.68.124.130 with HTTP; Fri, 2 Nov 2012 14:26:13 -0700 (PDT) In-Reply-To: <1351868970.1120.25.camel@revolution.hippie.lan> References: <201211020523.qA25N5No052084@svn.freebsd.org> <1351868970.1120.25.camel@revolution.hippie.lan> Date: Fri, 2 Nov 2012 14:26:13 -0700 X-Google-Sender-Auth: a4WQgi9qqepyiOs5RvNqyJtbpTo Message-ID: Subject: Re: svn commit: r242466 - head/sys/mips/mips From: Adrian Chadd To: Ian Lepore Content-Type: text/plain; charset=ISO-8859-1 Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Nov 2012 21:26:14 -0000 On 2 November 2012 08:09, Ian Lepore wrote: > Of course, it doesn't save anything if the system is using more than 128 > maps, did you check? When I checked on an arm dreamplug system, there > were roughly 1850 maps allocated by time it got to the login prompt > (making that local cache of 500 maps completely useless). I don't reach that during boot on my 16MB RAM APs. There just aren't that many devices. > The patches I posted in arch@ a while back addressed this problem by > setting up an uma(9) pool for maps (and pools for busdma buffers). The > patches were designed to be easy to incorporate for both arm and mips > busdma implementations. My problem is memory overhead at boot time. :/ Adrian