From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932931AbWFZTLw (ORCPT ); Mon, 26 Jun 2006 15:11:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932933AbWFZTLv (ORCPT ); Mon, 26 Jun 2006 15:11:51 -0400 Received: from omx1-ext.sgi.com ([192.48.179.11]:19931 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S932931AbWFZTLv (ORCPT ); Mon, 26 Jun 2006 15:11:51 -0400 Date: Mon, 26 Jun 2006 12:11:24 -0700 From: Paul Jackson To: Christoph Lameter Cc: kiran@scalex86.org, akpm@osdl.org, clameter@engr.sgi.com, linux-kernel@vger.kernel.org Subject: Re: remove __read_mostly? Message-Id: <20060626121124.45ecc5f2.pj@sgi.com> In-Reply-To: References: <20060625115736.d90e1241.akpm@osdl.org> <20060625211929.GA3865@localhost.localdomain> <20060626113950.571d3e4c.pj@sgi.com> Organization: SGI X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.3; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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. > A read_mostly marked variable should be changed rarely (meaning is > is extremely unlikely that his is going to change) but read frequently. Yes - well said. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401