From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx112.postini.com [74.125.245.112]) by kanga.kvack.org (Postfix) with SMTP id 0284F6B0005 for ; Fri, 12 Apr 2013 09:10:41 -0400 (EDT) Message-ID: <516807CB.6040208@parallels.com> Date: Fri, 12 Apr 2013 17:10:35 +0400 From: Pavel Emelyanov MIME-Version: 1.0 Subject: Re: [PATCH 4/5] pagemap: Introduce the /proc/PID/pagemap2 file References: <51669E5F.4000801@parallels.com> <51669EA5.20209@parallels.com> <20130411141944.dc17b3b1c78132eedec06aa6@linux-foundation.org> In-Reply-To: <20130411141944.dc17b3b1c78132eedec06aa6@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Linux MM , Linux Kernel Mailing List On 04/12/2013 01:19 AM, Andrew Morton wrote: > On Thu, 11 Apr 2013 15:29:41 +0400 Pavel Emelyanov wrote: > >> This file is the same as the pagemap one, but shows entries with bits >> 55-60 being zero (reserved for future use). Next patch will occupy one >> of them. > > I'm not understanding the motivation for this. What does the current > /proc/pid/pagemap have in those bit positions? A constant PAGE_SHIFT value. > > . > Thanks, Pavel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org