From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S933759AbcLAQLS (ORCPT <rfc822;w@1wt.eu>);
        Thu, 1 Dec 2016 11:11:18 -0500
Received: from smtprelay0153.hostedemail.com ([216.40.44.153]:44255 "EHLO
        smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL)
        by vger.kernel.org with ESMTP id S932506AbcLAQLQ (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 1 Dec 2016 11:11:16 -0500
X-Session-Marker: 726F737465647440676F6F646D69732E6F7267
X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::::::::::,RULES_HIT:41:355:379:541:599:960:973:988:989:1183:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1538:1568:1593:1594:1711:1714:1730:1747:1777:1792:2198:2199:2393:2553:2559:2562:3138:3139:3140:3141:3142:3622:3865:3867:3871:3872:3874:5007:6261:6742:7875:10004:10400:10848:10967:11026:11232:11658:11914:12043:12114:12740:12760:13069:13311:13357:13439:14181:14659:14721:21080:21524:30054:30090:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:2,LUA_SUMMARY:none
X-HE-Tag: comb43_6145f7c160f5e
X-Filterd-Recvd-Size: 1829
Date: Thu, 1 Dec 2016 11:11:06 -0500
From: Steven Rostedt <rostedt@goodmis.org>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, Alexander Viro <viro@zeniv.linux.org.uk>,
        Andrew Morton <akpm@linux-foundation.org>,
        Christoph Hellwig <hch@lst.de>,
        Dan Williams <dan.j.williams@intel.com>,
        Dave Chinner <david@fromorbit.com>, Ingo Molnar <mingo@redhat.com>,
        Jan Kara <jack@suse.cz>, Matthew Wilcox <mawilcox@microsoft.com>,
        linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
        linux-nvdimm@ml01.01.org
Subject: Re: [PATCH v2 6/6] dax: add tracepoints to dax_pmd_insert_mapping()
Message-ID: <20161201111106.47510605@gandalf.local.home>
In-Reply-To: <20161201154432.GD5160@linux.intel.com>
References: <1480549533-29038-1-git-send-email-ross.zwisler@linux.intel.com>
        <1480549533-29038-7-git-send-email-ross.zwisler@linux.intel.com>
        <20161201091930.2084d32c@gandalf.local.home>
        <20161201154432.GD5160@linux.intel.com>
X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-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: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, 1 Dec 2016 08:44:32 -0700
Ross Zwisler <ross.zwisler@linux.intel.com> wrote:


> Actually I think it may be ideal to stick it as the 2nd entry after 'dev'.
> dev_t is:
> 
> typedef __u32 __kernel_dev_t;
> typedef __kernel_dev_t		dev_t;
> 
> So those two 32 bit values should combine into a single 64 bit space.

Yeah that should work too.

-- Steve

> 
> Thanks for the help, I obviously wasn't considering packing when ordering the
> elements.