From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: rte_mbuf.next in 2nd cacheline Date: Mon, 15 Jun 2015 17:02:09 +0100 Message-ID: <20150615160208.GE580@bricha3-MOBL3> References: <2601191342CEEE43887BDE71AB97725836A0A838@irsmsx105.ger.corp.intel.com> <557EDB91.9010503@6wind.com> <20150615141258.GA580@bricha3-MOBL3> <557EE1A0.609@6wind.com> <2601191342CEEE43887BDE71AB97725836A0A8A8@irsmsx105.ger.corp.intel.com> <557EECFF.3090402@6wind.com> <20150615152346.GC580@bricha3-MOBL3> <2601191342CEEE43887BDE71AB97725836A0A8FB@irsmsx105.ger.corp.intel.com> <20150615153943.GD580@bricha3-MOBL3> <2601191342CEEE43887BDE71AB97725836A0A91C@irsmsx105.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "dev@dpdk.org" , "Damjan Marion \(damarion\)" To: "Ananyev, Konstantin" Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 3C2EAE72 for ; Mon, 15 Jun 2015 18:02:13 +0200 (CEST) Content-Disposition: inline In-Reply-To: <2601191342CEEE43887BDE71AB97725836A0A91C@irsmsx105.ger.corp.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Jun 15, 2015 at 04:59:55PM +0100, Ananyev, Konstantin wrote: > > > > As I can see, vector TX is the only one that calls __rte_pktmbuf_prefree_seg() directly. > All others use rte_pktmbuf_free_seg(), that does ' m->next = NULL' anyway. > For vector TX - yes, need to verify that it would not introduce a slowdown. > Konstantin > But if the function is only directly called from one place, and that doesn't have a problem, why would we bother making any change at all? /Bruce