linux-kernel - Re: [PATCH v4 3/5] powerpc/mm: allow memory hotplug into a memoryless node

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Message-Id: <20161020143859.qkpwxvphzbvxfup7@arbab-laptop.austin.ibm.com>
Date:   Thu, 20 Oct 2016 09:38:59 -0500
From:   Reza Arbab <arbab@...ux.vnet.ibm.com>
To:     Balbir Singh <bsingharora@...il.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Bharata B Rao <bharata@...ux.vnet.ibm.com>,
        Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
        Stewart Smith <stewart@...ux.vnet.ibm.com>,
        Alistair Popple <apopple@....ibm.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Tang Chen <tangchen@...fujitsu.com>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        devicetree@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v4 3/5] powerpc/mm: allow memory hotplug into a
 memoryless node

On Thu, Oct 20, 2016 at 02:30:42PM +1100, Balbir Singh wrote:
>FYI, these checks were temporary to begin with
>
>I found this in git history
>
>b226e462124522f2f23153daff31c311729dfa2f (powerpc: don't add memory to empty node/zone)

Nice find! I spent some time digging, but this had eluded me.

-- 
Reza Arbab