Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262206AbVCOHgj (ORCPT ); Tue, 15 Mar 2005 02:36:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262318AbVCOHgj (ORCPT ); Tue, 15 Mar 2005 02:36:39 -0500 Received: from 209-204-138-32.dsl.static.sonic.net ([209.204.138.32]:58885 "EHLO graphe.net") by vger.kernel.org with ESMTP id S262206AbVCOHgg (ORCPT ); Tue, 15 Mar 2005 02:36:36 -0500 Date: Mon, 14 Mar 2005 23:36:31 -0800 (PST) From: Christoph Lameter X-X-Sender: christoph@server.graphe.net To: Andrew Morton cc: shai@scalex86.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Per cpu irq stat In-Reply-To: <20050314224803.37cd21fe.akpm@osdl.org> Message-ID: References: <20050314224803.37cd21fe.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Score: -5.8 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 575 Lines: 16 On Mon, 14 Mar 2005, Andrew Morton wrote: > > +DEFINE_PER_CPU(irq_cpustat_t, irq_stat) > > ____cacheline_maxaligned_in_smp; > > Why is this marked ____cacheline_maxaligned_in_smp? In order to avoid potential false aliasing I guess. irq_cpustat_t is already marked ___cacheline_aligned though which should be sufficient. Shai? - 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/