Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964872AbWCHB5b (ORCPT ); Tue, 7 Mar 2006 20:57:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964863AbWCHB5b (ORCPT ); Tue, 7 Mar 2006 20:57:31 -0500 Received: from ns1.siteground.net ([207.218.208.2]:55722 "EHLO serv01.siteground.net") by vger.kernel.org with ESMTP id S964846AbWCHB5a (ORCPT ); Tue, 7 Mar 2006 20:57:30 -0500 Date: Tue, 7 Mar 2006 17:58:08 -0800 From: Ravikiran G Thirumalai To: Andrew Morton Cc: linux-kernel@vger.kernel.org, davem@davemloft.net, netdev@vger.kernel.org, shai@scalex86.org Subject: [patch 0/4] net: percpufy frequently used vars on struct proto Message-ID: <20060308015808.GA9062@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - serv01.siteground.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - scalex86.org X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 766 Lines: 21 Following patchset converts struct proto.memory_allocated to use batching per-cpu counters, struct proto.sockets_allocated to use per-cpu counters and changes the proto.inuse per-cpu variable to use alloc_percpu instead of the NR_CPUS x cacheline size padding. We observed 5% improvement in apache bench requests per second with this patchset on a multi NIC 8 way IBM x460 box. (This was posted earlier http://marc.theaimsgroup.com/?l=linux-kernel&m=113830220408812&w=2 ) Can this go into -mm please? Thanks, Kiran - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/