DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 38B4380498
Date: Wed, 5 Apr 2017 11:06:54 +0200
From: Igor Mammedov <imammedo@redhat.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
        Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Reza Arbab <arbab@linux.vnet.ibm.com>,
        Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
        Tang Chen <tangchen@cn.fujitsu.com>, qiuxishi@huawei.com,
        Kani Toshimitsu <toshi.kani@hpe.com>, slaoub@gmail.com,
        Joonsoo Kim <js1304@gmail.com>, Andi Kleen <ak@linux.intel.com>,
        David Rientjes <rientjes@google.com>,
        Daniel Kiper <daniel.kiper@oracle.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 1/6] mm: get rid of zone_is_initialized
Message-ID: <20170405110654.6ef458ee@nial.brq.redhat.com>
In-Reply-To: <20170405081400.GE6035@dhcp22.suse.cz>
References: <20170330115454.32154-1-mhocko@kernel.org>
        <20170330115454.32154-2-mhocko@kernel.org>
        <20170331073954.GF27098@dhcp22.suse.cz>
        <20170405081400.GE6035@dhcp22.suse.cz>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1215
Lines: 25

On Wed, 5 Apr 2017 10:14:00 +0200
Michal Hocko <mhocko@kernel.org> wrote:

> On Fri 31-03-17 09:39:54, Michal Hocko wrote:
> > Fixed screw ups during the initial patch split up as per Hillf
> > ---
> > From 8be6c5e47de66210e47710c80e72e8abd899017b Mon Sep 17 00:00:00 2001
> > From: Michal Hocko <mhocko@suse.com>
> > Date: Wed, 29 Mar 2017 15:11:30 +0200
> > Subject: [PATCH] mm: get rid of zone_is_initialized
> > 
> > There shouldn't be any reason to add initialized when we can tell the
> > same thing from checking whether there are any pages spanned to the
> > zone. Remove zone_is_initialized() and replace it by zone_is_empty
> > which can be used for the same set of tests.
> > 
> > This shouldn't have any visible effect  
> 
> I've decided to drop this patch. My main motivation was to simplify
> the hotplug workflow/ The situation is more hairy than I expected,
> though. On one hand all zones should be initialized early during the
> hotplug in add_memory_resource but direct users of arch_add_memory will
> need this to be called I suspect. Let's just keep the current status quo
> and clean up it later. It is not really needed for this series.
Would you post v2 with all fixups you've done so far?