From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: increase skb->users instead of skb_clone() Date: Sun, 19 Dec 2010 21:50:34 -0800 (PST) Message-ID: <20101219.215034.59672253.davem@davemloft.net> References: <1292479045-3136-1-git-send-email-xiaosuo@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: eric.dumazet@gmail.com, therbert@google.com, jpirko@redhat.com, fenghua.yu@intel.com, junchangwang@gmail.com, xinan.tang@intel.com, netdev@vger.kernel.org To: xiaosuo@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54426 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750783Ab0LTFuF (ORCPT ); Mon, 20 Dec 2010 00:50:05 -0500 In-Reply-To: <1292479045-3136-1-git-send-email-xiaosuo@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Changli Gao Date: Thu, 16 Dec 2010 13:57:25 +0800 > In dev_queue_xmit_nit(), we have to clone skbs as we need to mangle skbs, > however, we don't need to clone skbs for all the packet_types. > > Except for the first packet_type, we increase skb->users instead of > skb_clone(). > > Signed-off-by: Changli Gao Applied, thanks.