From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754673Ab1HUAcr (ORCPT ); Sat, 20 Aug 2011 20:32:47 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:41640 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752850Ab1HUAcq (ORCPT ); Sat, 20 Aug 2011 20:32:46 -0400 Date: Sat, 20 Aug 2011 17:31:33 -0700 (PDT) Message-Id: <20110820.173133.1612902138924735868.davem@davemloft.net> To: ian.campbell@citrix.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com, mirq-linux@rere.qmqm.pl Subject: Re: [PATCH] net: add APIs for manipulating skb page fragments. From: David Miller In-Reply-To: <1313771100-22993-1-git-send-email-ian.campbell@citrix.com> References: <1313771100-22993-1-git-send-email-ian.campbell@citrix.com> X-Mailer: Mew version 6.3 on Emacs 23.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Sat, 20 Aug 2011 17:31:36 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ian Campbell Date: Fri, 19 Aug 2011 17:25:00 +0100 > The primary aim is to add skb_frag_(ref|unref) in order to remove the use of > bare get/put_page on SKB pages fragments and to isolate users from subsequent > changes to the skb_frag_t data structure. > > Signed-off-by: Ian Campbell You're going to have to protect all of the things using the interfaces from linux/dma-mapping.h with CONFIG_HAS_DMA otherwise it won't build on platforms like S390.