From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261655AbVGaKLv (ORCPT ); Sun, 31 Jul 2005 06:11:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261667AbVGaKLv (ORCPT ); Sun, 31 Jul 2005 06:11:51 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:64914 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261655AbVGaKLu (ORCPT ); Sun, 31 Jul 2005 06:11:50 -0400 Subject: Re: Slowdown with randomize_va_space in 2.6.12.2 From: Arjan van de Ven To: Andrew Morton Cc: Eric Lammerts , davej@redhat.com, davem@davemloft.net, pmarques@grupopie.com, linux-kernel@vger.kernel.org In-Reply-To: <20050729182029.68748c9f.akpm@osdl.org> References: <42CBE97C.2060208@grupopie.com> <20050706.125719.08321870.davem@davemloft.net> <20050706205315.GC27630@redhat.com> <20050706181220.3978d7f6.akpm@osdl.org> <1120718229.3198.8.camel@laptopd505.fenrus.org> <20050729182029.68748c9f.akpm@osdl.org> Content-Type: text/plain Date: Sat, 30 Jul 2005 07:49:13 -0400 Message-Id: <1122724153.3388.10.camel@localhost.localdomain> 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 > > It has the virtue of simplicity. Arjan, were you planning on anything > fancier? short term: no. (eg 2.6.13). Long term I wanted to turn this into a bitmask so that you can control the randomisations individual (eg keep the stack one disable the library one only)