From owner-freebsd-stable@FreeBSD.ORG  Wed Dec  8 09:11:20 2010
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 62A58106566C;
	Wed,  8 Dec 2010 09:11:20 +0000 (UTC)
	(envelope-from perryh@pluto.rain.com)
Received: from agora.rdrop.com (agora.rdrop.com [IPv6:2607:f678:1010::34])
	by mx1.freebsd.org (Postfix) with ESMTP id 0BDBD8FC08;
	Wed,  8 Dec 2010 09:11:20 +0000 (UTC)
Received: from agora.rdrop.com (66@localhost [127.0.0.1])
	by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id oB89BIPw096678
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Wed, 8 Dec 2010 01:11:18 -0800 (PST)
	(envelope-from perryh@pluto.rain.com)
Received: (from uucp@localhost)
	by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id oB89BI7Z096677; 
	Wed, 8 Dec 2010 01:11:18 -0800 (PST)
Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407)
	id AA01111; Wed, 8 Dec 10 01:09:47 PST
Date: Wed, 08 Dec 2010 01:09:38 -0800
From: perryh@pluto.rain.com
To: avg@freebsd.org
Message-Id: <4cff4b52.WgKWgVaxljcckd8Z%perryh@pluto.rain.com>
References: <4cfc72a5.3nAjkv8mdrO/NrKQ%perryh@pluto.rain.com>
	<4CFD0633.9060509@freebsd.org>
In-Reply-To: <4CFD0633.9060509@freebsd.org>
User-Agent: nail 11.25 7/29/05
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-stable@freebsd.org
Subject: Re: Could MSGBUF_SIZE be made a loader tunable?
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 08 Dec 2010 09:11:20 -0000

Andriy Gapon <avg@freebsd.org> wrote:
> on 06/12/2010 07:20 perryh@pluto.rain.com said the following:
> > Would there be some fundamental problem in changing MSGBUF_SIZE
> > from a compiled-in constant to a tunable that could be set at the
> > loader prompt?  (I'm _not_ suggesting that it be adjustable while
> > the system is running.)
...
> > I didn't see any obvious downside from examining the 8.1-RELEASE
> > code, but I could certainly have overlooked some subtle (or even
> > blatant) reason why this would be a Bad Idea.
>
> I also don't immediately see why that wouldn't work.
> Can you try to come up with a patch?

I was planning to try it, unless someone pointed out a reason not
to bother -- and then there is the same problem everyone else has,
ENOTIME :(

Sort-of related question, since the only 8.x I currently have is the
not-yet-installed memstick:  should I be able to build a usable 8.1
kernel on a 6.1 system (with the 8.1 sources installed somewhere, of
course)?