From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936113AbcI3GOS (ORCPT ); Fri, 30 Sep 2016 02:14:18 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:36922 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935642AbcI3GOJ (ORCPT ); Fri, 30 Sep 2016 02:14:09 -0400 Date: Fri, 30 Sep 2016 02:14:02 -0400 (EDT) Message-Id: <20160930.021402.267441690910051825.davem@davemloft.net> To: hejianet@gmail.com Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org, linux-kernel@vger.kernel.org, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, vyasevich@gmail.com, nhorman@tuxdriver.com, steffen.klassert@secunet.com, herbert@gondor.apana.org.au, marcelo.leitner@gmail.com Subject: Re: [PATCH v6 0/7] Reduce cache miss for snmp_fold_field From: David Miller In-Reply-To: <1475206144-23228-1-git-send-email-hejianet@gmail.com> References: <1475206144-23228-1-git-send-email-hejianet@gmail.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / 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-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 29 Sep 2016 23:14:08 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jia He Date: Fri, 30 Sep 2016 11:28:57 +0800 > In a PowerPc server with large cpu number(160), besides commit > a3a773726c9f ("net: Optimize snmp stat aggregation by walking all > the percpu data at once"), I watched several other snmp_fold_field > callsites which would cause high cache miss rate. ... Series applied, thank you.