From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753277Ab0ASNUs (ORCPT ); Tue, 19 Jan 2010 08:20:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751590Ab0ASNUr (ORCPT ); Tue, 19 Jan 2010 08:20:47 -0500 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:47713 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751118Ab0ASNUr (ORCPT ); Tue, 19 Jan 2010 08:20:47 -0500 Date: Tue, 19 Jan 2010 13:21:38 +0000 From: Alan Cox To: Gleb Natapov Cc: Pekka Enberg , linux-mm@kvack.org, kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, akpm@linux-foundation.org, andrew.c.morrow@gmail.com, "Paul E. McKenney" Subject: Re: [PATCH v6] add MAP_UNLOCKED mmap flag Message-ID: <20100119132138.473cf073@lxorguk.ukuu.org.uk> In-Reply-To: <20100119120712.GM14345@redhat.com> References: <20100118141938.GI30698@redhat.com> <84144f021001180805q4d1203b8qab8ccb1de87b2866@mail.gmail.com> <20100118170816.GA22111@redhat.com> <84144f021001181009m52f7eaebp2bd746f92de08da9@mail.gmail.com> <20100118181942.GD22111@redhat.com> <20100118191031.0088f49a@lxorguk.ukuu.org.uk> <20100119071734.GG14345@redhat.com> <84144f021001182337o274c8ed3q8ce60581094bc2b9@mail.gmail.com> <20100119075205.GI14345@redhat.com> <20100119115442.131efa78@lxorguk.ukuu.org.uk> <20100119120712.GM14345@redhat.com> X-Mailer: Claws Mail 3.7.3 (GTK+ 2.18.5; x86_64-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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > And you want millions of users to have kernels with weird extra functions > > whole sole value is one test environment you wish to run > > > We are talking about 4 lines of code that other people find useful too > and they commented in this thread. This wouldn't be the first kernel > feature not used by millions of people. It wouldn't be the first completely dumb mistake in the kernel either, but one dumb mistake doesn't argue for including others