From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261191AbVGGGns (ORCPT ); Thu, 7 Jul 2005 02:43:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261199AbVGGGmW (ORCPT ); Thu, 7 Jul 2005 02:42:22 -0400 Received: from smtp.osdl.org ([65.172.181.4]:39042 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S261188AbVGGGmN (ORCPT ); Thu, 7 Jul 2005 02:42:13 -0400 Date: Wed, 6 Jul 2005 23:41:02 -0700 From: Andrew Morton To: Arjan van de Ven Cc: davej@redhat.com, davem@davemloft.net, pmarques@grupopie.com, linux-kernel@vger.kernel.org Subject: Re: Slowdown with randomize_va_space in 2.6.12.2 Message-Id: <20050706234102.2172ca76.akpm@osdl.org> In-Reply-To: <1120718229.3198.8.camel@laptopd505.fenrus.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> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-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 Arjan van de Ven wrote: > > > > On Transmeta CPUs that probably triggers a retranslation of > > > x86->native bytecode, if it thinks it hasn't seen code at that > > > address before. > > > > > > > ouch. What do we do? Default to off? Default to off on xmeta? > > off-on-xmeta would be my preference; I'll cook up a patch for that. Well we seem to have several people reporting problems of various sorts with that patch?