From owner-freebsd-net Wed Sep 13 20:34:39 2000 Delivered-To: freebsd-net@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 0230A37B423 for ; Wed, 13 Sep 2000 20:34:38 -0700 (PDT) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id XAA05176; Wed, 13 Sep 2000 23:34:37 -0400 (EDT) (envelope-from wollman) Date: Wed, 13 Sep 2000 23:34:37 -0400 (EDT) From: Garrett Wollman Message-Id: <200009140334.XAA05176@khavrinen.lcs.mit.edu> To: Bosko Milekic Cc: Garrett Wollman , freebsd-net@FreeBSD.ORG Subject: Re: Clusters larger than PAGE_SIZE and contigmalloc() In-Reply-To: References: <200009140222.WAA04696@khavrinen.lcs.mit.edu> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: >I wouldn't actually push for allocating mbufs themselves to that >layer, simply because this isn't the only place we'd need to allocate >mbufs from - but I don't think that's what you meant by the above anyway. No, that's precisely what I meant. Only the network interface driver can tell what the precise requirements are for its buffers. (Remember the Amiga with its ``chip'' and ``fast'' memory?) Furthermore, anything which isn't either a packet about to be (re-)transmitted or a packet just received doesn't belong in an mbuf. -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-net" in the body of the message