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 S1751457AbcGMWod (ORCPT <rfc822;w@1wt.eu>);
	Wed, 13 Jul 2016 18:44:33 -0400
Received: from mail-lf0-f68.google.com ([209.85.215.68]:35152 "EHLO
	mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751336AbcGMWoZ (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 13 Jul 2016 18:44:25 -0400
Date: Thu, 14 Jul 2016 01:44:20 +0300
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] uapi: move forward declarations of internal structures
Message-ID: <20160713224420.GA15618@p183.telecom.by>
References: <20160713215808.GA22486@p183.telecom.by>
 <20160713151557.a87f48b707f628c7cc5c6505@linux-foundation.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20160713151557.a87f48b707f628c7cc5c6505@linux-foundation.org>
User-Agent: Mutt/1.5.24 (2015-08-30)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Jul 13, 2016 at 03:15:57PM -0700, Andrew Morton wrote:
> On Thu, 14 Jul 2016 00:58:08 +0300 Alexey Dobriyan <adobriyan@gmail.com> wrote:
> 
> > Move "struct completion;".
> > Move "struct task_struct;".
> 
> That tells us no more than does the diff.
> 
> What's the reason for this change?  Any perceptible benefit?

You're right.

Changelog should be

Don't user forward declarations of internal kernel structures
in headers exported to userspace.