From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2 net-next 0/2] pskb_extract() helper function. Date: Mon, 25 Apr 2016 16:54:43 -0400 (EDT) Message-ID: <20160425.165443.811025678894769195.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, rds-devel@oss.oracle.com, santosh.shilimkar@oracle.com, eric.dumazet@gmail.com, marcelo.leitner@gmail.com To: sowmini.varadhan@oracle.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:33257 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964911AbcDYUyq (ORCPT ); Mon, 25 Apr 2016 16:54:46 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Sowmini Varadhan Date: Fri, 22 Apr 2016 18:36:34 -0700 > This patchset follows up on the discussion in > https://www.mail-archive.com/netdev@vger.kernel.org/msg105090.html > > For RDS-TCP, we have to deal with the full gamut of > nonlinear sk_buffs, including all the frag_list variants. > Also, the parent skb has to remain unchanged, while the clone > is queued for Rx on the PF_RDS socket. > > Patch 1 of this patchset adds a pskb_extract() function that > does all this without the redundant memcpy's in pskb_expand_head() > and __pskb_pull_tail(). > > v2: Marcelo Leitner review comments Series applied, thanks.