From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [PATCH 02/10] Networking include file changes. Date: Fri, 20 Jul 2007 11:59:35 +0200 Message-ID: <46A08787.8040501@trash.net> References: <20070720063149.26341.84076.sendpatchset@localhost.localdomain> <20070720063216.26341.80316.sendpatchset@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, rdreier@cisco.com, johnpol@2ka.mipt.ru, Robert.Olsson@data.slu.se, peter.p.waskiewicz.jr@intel.com, herbert@gondor.apana.org.au, gaagaan@gmail.com, kumarkr@linux.ibm.com, xma@us.ibm.com, rick.jones2@hp.com, mcarlson@broadcom.com, netdev@vger.kernel.org, jagana@us.ibm.com, general@lists.openfabrics.org, mchan@broadcom.com, tgraf@suug.ch, jeff@garzik.org, hadi@cyberus.ca, sri@us.ibm.com To: Krishna Kumar Return-path: Received: from stinky.trash.net ([213.144.137.162]:56661 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757987AbXGTKAw (ORCPT ); Fri, 20 Jul 2007 06:00:52 -0400 In-Reply-To: <20070720063216.26341.80316.sendpatchset@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Krishna Kumar wrote: > diff -ruNp org/include/linux/netdevice.h new/include/linux/netdevice.h > --- org/include/linux/netdevice.h 2007-07-20 07:49:28.000000000 +0530 > +++ new/include/linux/netdevice.h 2007-07-20 08:30:55.000000000 +0530 > @@ -264,6 +264,8 @@ enum netdev_state_t > __LINK_STATE_QDISC_RUNNING, > }; > > +/* Minimum length of device hardware queue for batching to work */ > +#define MIN_QUEUE_LEN_BATCH 16 Is there any downside in using batching with smaller queue sizes?