From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] bonding: refine IFF_XMIT_DST_RELEASE capability Date: Wed, 18 Jul 2012 09:32:38 -0700 (PDT) Message-ID: <20120718.093238.1442501054674720136.davem@davemloft.net> References: <1342563588.2626.1224.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, fubar@us.ibm.com, andy@greyhouse.net, therbert@google.com To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:35514 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754968Ab2GRQcj (ORCPT ); Wed, 18 Jul 2012 12:32:39 -0400 In-Reply-To: <1342563588.2626.1224.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Wed, 18 Jul 2012 00:19:48 +0200 > From: Eric Dumazet > > Some workloads greatly benefit of IFF_XMIT_DST_RELEASE capability > on output net device, avoiding dirtying dst refcount. > > bonding currently disables IFF_XMIT_DST_RELEASE unconditionally. > > If all slaves have the IFF_XMIT_DST_RELEASE bit set, then > bonding master can also have it in its priv_flags > > Signed-off-by: Eric Dumazet Applied.