From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] net: keep name_hlist close to name Date: Mon, 11 Jun 2012 13:11:38 -0700 (PDT) Message-ID: <20120611.131138.1408293576594519909.davem@davemloft.net> References: <1339432573.6001.2429.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:45777 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751126Ab2FKULm (ORCPT ); Mon, 11 Jun 2012 16:11:42 -0400 In-Reply-To: <1339432573.6001.2429.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Mon, 11 Jun 2012 18:36:13 +0200 > From: Eric Dumazet > > __dev_get_by_name() is slow because pm_qos_req has been inserted between > name[] and name_hlist, adding cache misses. > > pm_qos_req has nothing to do at the beginning of struct net_device > > Signed-off-by: Eric Dumazet Applied, thanks.