From mboxrd@z Thu Jan  1 00:00:00 1970
From: Davidlohr Bueso <dave-h16yJtLeMjHk1uMJSBkQmQ@public.gmane.org>
Subject: Re: Aw: Re: Revised futex(2) man page for review
Date: Mon, 27 Jul 2015 23:50:33 -0700
Message-ID: <1438066233.2249.60.camel@stgolabs.net>
References: <trinity-4b369924-3445-4e0e-a00e-95d87f708bd5-1438062240689@msvc-mesg-gmx003>
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Return-path: <linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
In-Reply-To: <trinity-4b369924-3445-4e0e-a00e-95d87f708bd5-1438062240689@msvc-mesg-gmx003>
Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: Heinrich Schuchardt <xypron.glpk-Mmb7MZpHnFY@public.gmane.org>
Cc: "Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>, Darren Hart <dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Carlos O'Donell <carlos-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>, Jakub Jelinek <jakub-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>, Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Torvald Riegel <triegel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Roland McGrath <roland-/Z5OmTQCD9xF6kxbq+BtvQ@public.gmane.org>, Darren Hart <dvhart-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Anton Blanchard <anton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>, Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, bill o gallmeister <bgallmeister-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Jan Kiszka <jan.kiszka-kv7WeFo6aLtBDgjK7y7TUQ@public.gmane.org>, Daniel Wagner <wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>, Rich Felker <dalias-8zAoT0mYgF4@public.gmane.org>, Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>, bert hubert <bert.hubert@netherlabs.>
List-Id: linux-api@vger.kernel.org

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-man" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html