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 S1754597AbcKIXBV (ORCPT <rfc822;w@1wt.eu>);
        Wed, 9 Nov 2016 18:01:21 -0500
Received: from one.firstfloor.org ([193.170.194.197]:37965 "EHLO
        one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1751427AbcKIXBU (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 9 Nov 2016 18:01:20 -0500
Date: Wed, 9 Nov 2016 15:01:17 -0800
From: Andi Kleen <andi@firstfloor.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Vitaly Wool <vitalywool@gmail.com>, Linux-MM <linux-mm@kvack.org>,
        linux-kernel@vger.kernel.org, Dan Streetman <ddstreet@ieee.org>,
        Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH v3] z3fold: use per-page read/write lock
Message-ID: <20161109230117.GO26852@two.firstfloor.org>
References: <20161109115531.81d2a3fd4313236d483510f0@gmail.com>
 <20161109143304.538885b06a4b5d2289da1e52@linux-foundation.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20161109143304.538885b06a4b5d2289da1e52@linux-foundation.org>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Nov 09, 2016 at 02:33:04PM -0800, Andrew Morton wrote:
> On Wed, 9 Nov 2016 11:55:31 +0100 Vitaly Wool <vitalywool@gmail.com> wrote:
> 
> > Subject: [PATCH v3] z3fold: use per-page read/write lock
> 
> I've rewritten the title to "mm/z3fold.c: use per-page spinlock"
> 
> (I prefer to have "mm" in the title to easily identify it as an MM
> patch, and using "mm: z3fold: ..." seems odd when the actual pathname
> conveys the same info.)

Still think it needs to be raw_spinlock_t, otherwise the build bug on
on the header size will break again. 

Better would be to fix that build bug though

-Andi