From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Friesen Subject: Re: copybreak and gige network drivers Date: Tue, 30 Sep 2003 10:39:11 -0400 Sender: netdev-bounce@oss.sgi.com Message-ID: <3F79958F.7040103@nortelnetworks.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@redhat.com, netdev@oss.sgi.com Return-path: To: Donald Becker Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Donald Becker wrote: > The decision point is pretty much break-even in the range of 150-400 > bytes, and most packets are either smaller or much larger, so just pick > a likely value. I tried to look at the bin sizes for the skbuff > allocator, but you'll find that the overhead changes faster than you can > possibly track. Okay, will do. Thanks for the excellent explanation. Chris -- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com