From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964864AbVHYH4L (ORCPT ); Thu, 25 Aug 2005 03:56:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964867AbVHYH4K (ORCPT ); Thu, 25 Aug 2005 03:56:10 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:11673 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964864AbVHYH4J (ORCPT ); Thu, 25 Aug 2005 03:56:09 -0400 Subject: Re: [patch] Additions to .data.read_mostly section From: Arjan van de Ven To: Ravikiran G Thirumalai Cc: Andrew Morton , linux-kernel@vger.kernel.org, "Shai Fultheim (Shai@scalex86.org)" , Alok Kataria In-Reply-To: <20050824214610.GA3675@localhost.localdomain> References: <20050824214610.GA3675@localhost.localdomain> Content-Type: text/plain Date: Thu, 25 Aug 2005 09:56:03 +0200 Message-Id: <1124956563.3222.8.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 (2.2.2-5) Content-Transfer-Encoding: 7bit X-Spam-Score: 2.9 (++) X-Spam-Report: SpamAssassin version 3.0.4 on pentafluge.infradead.org summary: Content analysis details: (2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.1 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 2.8 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2005-08-24 at 14:46 -0700, Ravikiran G Thirumalai wrote: > Following patch moves a few static 'read mostly' variables to the > .data.read_mostly section. Typically these are vector - irq tables, > boot_cpu_data, node_maps etc., which are initialized once and read from > often and rarely written to. Please include. it almost sounds like a "read_only_once_booted" is useful, esp for those who modify their kernel to make such sections truely read only ;)