From owner-svn-src-all@FreeBSD.ORG Sat Nov 10 18:08:14 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 673DC6B for ; Sat, 10 Nov 2012 18:08:14 +0000 (UTC) (envelope-from peter@wemm.org) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id B218A8FC14 for ; Sat, 10 Nov 2012 18:08:13 +0000 (UTC) Received: by mail-lb0-f182.google.com with SMTP id gg13so92553lbb.13 for ; Sat, 10 Nov 2012 10:08:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wemm.org; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=2puI8SlI+lrVi8HY4HvpG69Bg7b1mmAuJP7B8anFWOo=; b=w3XhOlso6f5y664dhHAZS9T3PalohgrqQGCmff5e+H6xkz36NyPEq6dyrJszV7AujY h/ChscLC3znEOsk3+TocZaPw98aupq9YPQgC3tlMgkD2zVStegndJDyHY+6u9uYazxaB d2u91h/4k9Kafk4eZnDTVdkoq0KxRJO1MU5xg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=2puI8SlI+lrVi8HY4HvpG69Bg7b1mmAuJP7B8anFWOo=; b=SvRHt6zUSvx6w5aYkIPUcI9cYnzcywPJKjs9N4VpjTV+EYePzN7QUG6S6s2hLm/KHv 6NhYgs9XPCb/NxumeKJgtD3sbqk63GfmoS6wKNsZ5I2RHOI4by16bUdGWwPEvO0YX1pk TVA6CFo1EWoAr8ydH1wc2CbTLVfbtn/zDISpYNsbukWeUDg0PUIn18skD434CqUfTkbh w51vFB5hG0Cfzwn6A9WyfdG0YgZBxRV4ad0N6r0HqB/Ib2i7vfPCNhTTACKT1kDTfPlL CGh5R5G54nWbg7aThTZ1rPaxdkLMvGESdRIpWh6osTOpX5rfgrgSEYM0M/CKvdH5ZwkG tmtg== MIME-Version: 1.0 Received: by 10.152.106.4 with SMTP id gq4mr13529914lab.44.1352570892606; Sat, 10 Nov 2012 10:08:12 -0800 (PST) Received: by 10.112.100.230 with HTTP; Sat, 10 Nov 2012 10:08:12 -0800 (PST) In-Reply-To: References: <201211100208.qAA28e0v004842@svn.freebsd.org> <509DC25E.5030306@mu.org> <509E3162.5020702@FreeBSD.org> <509E7E7C.9000104@mu.org> <509E830D.5080006@mu.org> <509E847E.30509@mu.org> <509E8930.50800@mu.org> Date: Sat, 10 Nov 2012 10:08:12 -0800 Message-ID: Subject: Re: svn commit: r242847 - in head/sys: i386/include kern From: Peter Wemm To: Garrett Cooper Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQkAZiRVDYS2yxhMfGJ8HdT24O6VQ5PqifWN/tcDk9maKwgzQDWCGt1Lx7By4ccQnS892P9d Cc: src-committers@freebsd.org, Eitan Adler , Alfred Perlstein , svn-src-all@freebsd.org, Alfred Perlstein , svn-src-head@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: Sat, 10 Nov 2012 18:08:14 -0000 On Sat, Nov 10, 2012 at 9:51 AM, Garrett Cooper wrote: > On Sat, Nov 10, 2012 at 9:45 AM, Peter Wemm wrote: >> >> On Sat, Nov 10, 2012 at 9:33 AM, Eitan Adler wrote: >> > On 10 November 2012 12:04, Alfred Perlstein wrote: >> >> Sure, if you'd like you can help me craft that comment now? >> > >> > I think this is short and clear: >> > === >> > Limit the amount of kernel address space used to a fixed cap. >> > 384 is an arbitrarily chosen value that leaves 270 MB of KVA available >> > of the 2 MB total. On systems with large amount of memory reduce the >> > the slope of the function in order to avoiding exhausting KVA. >> > === >> >> That's actually completely 100% incorrect... > > > Would it be a good idea to reference the other commit ref. numbers done > by dillon@ in the commit message, or would this be redundant? Sadly not. There's so many layers of indirection and obfuscation of units that there isn't a commit message that explains the current state. You have to read the code and reverse the math. -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com; KI6FJV "All of this is for nothing if we don't go to the stars" - JMS/B5 "If Java had true garbage collection, most programs would delete themselves upon execution." -- Robert Sewell