Subject: Re: CVS commit: src/sys/arch/i386/conf
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: source-changes
Date: 10/03/2005 10:59:33
On Mon, Oct 03, 2005 at 11:36:00AM +0900, YAMAMOTO Takashi wrote:
> > Module Name:	src
> > Committed By:	bouyer
> > Date:		Sun Oct  2 21:53:17 UTC 2005
> > 
> > Modified Files:
> > 	src/sys/arch/i386/conf: XEN0
> > 
> > Log Message:
> > Add
> > options         MCLSHIFT=12
> > in order to avoid a copy when a mbuf cluster has to be sent to a domU
> > (which is the common case when the packet comes from a physical network
> > interface).
> 
> i doubt if it's a reasonable value for this "GENERIC" kernel.
> it makes mclsize dominant about socket buffer calculation, doesn't it?

Can you give more details ? I don't understand what you mean here.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--