Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752206AbbG1Gu7 (ORCPT ); Tue, 28 Jul 2015 02:50:59 -0400 Received: from mx2.suse.de ([195.135.220.15]:44924 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750798AbbG1Gu5 (ORCPT ); Tue, 28 Jul 2015 02:50:57 -0400 Message-ID: <1438066233.2249.60.camel@stgolabs.net> Subject: Re: Aw: Re: Revised futex(2) man page for review From: Davidlohr Bueso To: Heinrich Schuchardt Cc: "Michael Kerrisk (man-pages)" , Peter Zijlstra , Thomas Gleixner , Darren Hart , "Carlos O'Donell" , Ingo Molnar , Jakub Jelinek , "linux-man@vger.kernel.org" , lkml , Arnd Bergmann , Steven Rostedt , Linux API , Torvald Riegel , Roland McGrath , Darren Hart , Anton Blanchard , Eric Dumazet , bill o gallmeister , Jan Kiszka , Daniel Wagner , Rich Felker , Andy Lutomirski , bert hubert , Rusty Russell Date: Mon, 27 Jul 2015 23:50:33 -0700 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 721 Lines: 20 On Tue, 2015-07-28 at 07:44 +0200, Heinrich Schuchardt wrote: > Hello David, > > >> A futex is in essence a 32-bit user-space address. > I know what a 32 bit integer is. > I am not aware of 32 bit addresses on my 64 bit operating system. Well I am referring to in the context of a user-space address, such as a 32-bit lock ('int'), but yes, my text is misleading. In fact we obviously need to cast to the word size for doing gup_fast, among other tasks. Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/