From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755433Ab1LBCCI (ORCPT ); Thu, 1 Dec 2011 21:02:08 -0500 Received: from terminus.zytor.com ([198.137.202.10]:33527 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754605Ab1LBCCH (ORCPT ); Thu, 1 Dec 2011 21:02:07 -0500 Message-ID: <4ED83177.7070706@zytor.com> Date: Thu, 01 Dec 2011 18:01:27 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 MIME-Version: 1.0 To: Hans Rosenfeld CC: Andi Kleen , tglx@linutronix.de, mingo@elte.hu, suresh.b.siddha@intel.com, eranian@google.com, brgerst@gmail.com, robert.richter@amd.com, Andreas.Herrmann3@amd.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/9] rework of extended state handling, LWP support References: <1322570488-21798-1-git-send-email-hans.rosenfeld@amd.com> <20111130173745.GT878@escobedo.osrc.amd.com> <20111130215200.GS24062@one.firstfloor.org> <20111201203605.GB411@escobedo.osrc.amd.com> In-Reply-To: <20111201203605.GB411@escobedo.osrc.amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/01/2011 12:36 PM, Hans Rosenfeld wrote: > > So I assume, if you have 10000s of processes on a legacy 32bit system > that never do any FPU stuff or SSE optimizations, you might indeed waste > a couple of megabytes. I don't think thats very realistic, but that's > just my opinion. > A couple of megabytes of *lowmem*... -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.