From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756990AbYIRT3R (ORCPT ); Thu, 18 Sep 2008 15:29:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754929AbYIRT3B (ORCPT ); Thu, 18 Sep 2008 15:29:01 -0400 Received: from gw.goop.org ([64.81.55.164]:50170 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755410AbYIRT3A (ORCPT ); Thu, 18 Sep 2008 15:29:00 -0400 Message-ID: <48D2ABFD.3040103@goop.org> Date: Thu, 18 Sep 2008 12:29:01 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Ingo Molnar CC: Andrew Morton , Nick Piggin , a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, mpm@selenic.com, Hugh Dickins Subject: Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex References: <20080910121217.GA16013@elte.hu> <20080910144812.GB18644@wotan.suse.de> <1221058864.30429.291.camel@twins.programming.kicks-ass.net> <20080910152651.GE18644@wotan.suse.de> <20080911082709.GA14378@elte.hu> <20080914073906.GA6184@elte.hu> <20080914004442.4f8e851f.akpm@linux-foundation.org> <20080914080631.GA10720@elte.hu> <20080914221231.GG27080@wotan.suse.de> <20080917131419.e6b7622e.akpm@linux-foundation.org> <20080918111226.GD29968@elte.hu> In-Reply-To: <20080918111226.GD29968@elte.hu> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > in 7 days that's about 7000 random bootups, 20% of which had TINY_SHMEM > enabled, half 32-bit, half 64-bit x86. It did not blow up in any way > that would have prevented the kernel from building its next random > version from within itself and it did not produce any kernel messages > with various random kernel debug, compile and boot options. > Does anything in that workload actually use shared memory? J