From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v12 06/17] Use callback to deal with skb_release_data() specially. Date: Mon, 11 Oct 2010 08:27:28 -0700 (PDT) Message-ID: <20101011.082728.193709462.davem@davemloft.net> References: <20101001.001439.85411154.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, mingo@elte.hu, herbert@gondor.apana.org.au, jdike@linux.intel.com To: xiaohui.xin@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:33138 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754980Ab0JKP1G (ORCPT ); Mon, 11 Oct 2010 11:27:06 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: "Xin, Xiaohui" Date: Mon, 11 Oct 2010 15:06:05 +0800 > That's to avoid the new cache miss caused by using destructor_arg in data path > like skb_release_data(). > That's based on the comment from Eric Dumazet on v7 patches. Thanks for the explanation.