From owner-freebsd-current Wed Jul 29 20:43:53 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA21409 for freebsd-current-outgoing; Wed, 29 Jul 1998 20:43:53 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from alpo.whistle.com (alpo.whistle.com [207.76.204.38]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA21403 for ; Wed, 29 Jul 1998 20:43:52 -0700 (PDT) (envelope-from julian@whistle.com) Received: (from daemon@localhost) by alpo.whistle.com (8.8.5/8.8.5) id UAA16293; Wed, 29 Jul 1998 20:35:39 -0700 (PDT) Received: from current1.whistle.com(207.76.205.22) via SMTP by alpo.whistle.com, id smtpdx16288; Thu Jul 30 03:35:30 1998 Date: Wed, 29 Jul 1998 20:35:27 -0700 (PDT) From: Julian Elischer To: Garrett Wollman cc: current@FreeBSD.ORG Subject: Re: SMP kernels... how many processes can be in ? In-Reply-To: <199807281441.KAA19062@khavrinen.lcs.mit.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This is effectlively what Luigi did with his 'flow pointer' however it probably should be an extensible scheme so that new 'hacks' can be added to the system and make use of it. the trouble with just using a pointer to something is that the something needs to be freed some time. and it may need to be allocated at unknown spl etc. Luigi found that there were a lot of places tha had to be hackedto know about the new pointer. julian On Tue, 28 Jul 1998, Garrett Wollman wrote: > < said: > > > trouble is that there needs to be some place to store data > > on a 'packet by packet' basis, The data is generated at one point in > > processing and needed at another.. > > Stick it in the (mbuf) packet header. If it's too big, stick a > pointer to it in the packet header. > > -GAWollman > > -- > Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same > wollman@lcs.mit.edu | O Siem / The fires of freedom > Opinions not those of| Dance in the burning flame > MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message