From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932983AbWFZTu5 (ORCPT ); Mon, 26 Jun 2006 15:50:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932982AbWFZTu5 (ORCPT ); Mon, 26 Jun 2006 15:50:57 -0400 Received: from server99.tchmachines.com ([72.9.230.178]:28847 "EHLO server99.tchmachines.com") by vger.kernel.org with ESMTP id S932983AbWFZTu4 (ORCPT ); Mon, 26 Jun 2006 15:50:56 -0400 Date: Mon, 26 Jun 2006 12:52:20 -0700 From: Ravikiran G Thirumalai To: Paul Jackson Cc: Christoph Lameter , akpm@osdl.org, clameter@engr.sgi.com, linux-kernel@vger.kernel.org Subject: Re: remove __read_mostly? Message-ID: <20060626195220.GA4323@localhost.localdomain> References: <20060625115736.d90e1241.akpm@osdl.org> <20060625211929.GA3865@localhost.localdomain> <20060626113950.571d3e4c.pj@sgi.com> <20060626121124.45ecc5f2.pj@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060626121124.45ecc5f2.pj@sgi.com> 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 - server99.tchmachines.com 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 On Mon, Jun 26, 2006 at 12:11:24PM -0700, Paul Jackson wrote: > Christoph wrote: > > 99:1 may be too small a ratio. > > Could well be. I was just quoting Ravikiran's number. I suspect he > was using the number loosely, not as a precise value. Yes I was using it loosely. I also mentioned ~100% read which is probably more accurate :). It is indeed "read hot write cold". Writes on these variables are typically during bootup/subsystem initialization/hot plug events. Thanks, Kiran