From owner-svn-src-head@FreeBSD.ORG Sat Nov 10 18:08:14 2012 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6422D1000 for ; Sat, 10 Nov 2012 18:08:14 +0000 (UTC) (envelope-from peter@wemm.org) Received: from mail-la0-f54.google.com (mail-la0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id A53B08FC12 for ; Sat, 10 Nov 2012 18:08:13 +0000 (UTC) Received: by mail-la0-f54.google.com with SMTP id e12so4707376lag.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=WBHyyJnbZtAjA2GvZhzbnjFp2VhUDQLFYDBhcm/phuRnDj7pv3Kfec6nteH1FTqjjs e2BpqD1hpP07ZNGPJE6LrT/VJOvk8/+w7qF2yNNUBLlHwUsmuLC5zdXxUXFjI60BdU4Z CUsfTSJ5xQ+ZWC6lierfB50M4dTpQCIa2KnTUwkQ8fc59pG7ZGAgz0Tev43E6pN1YMEu d7OoyGmqCn8tPTKtEig5QXUSO7CCEU0EwtbSl9WHK39zEymOLI3cggq2cXueiuRdVl0n VmGlVZTb/9XvCqZitwI74rOClAX+BLRb4zgY1yMN0N2NOv+Um158ueL50Nq+GBfwlbbR X9KA== 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: ALoCoQkr0zpO1+ISoaylpwarcuKTemGvZCy9NDdjsRgcG2pHCm1bIDIbF0c30WQ2/5Kqr0R83QpB 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-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current 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