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From: Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH v4 3/5] powerpc/mm: allow memory hotplug into a memoryless node
In-Reply-To: <872f253d-8a55-246c-2be0-636a588e2dd0@gmail.com>
References: <1475778995-1420-1-git-send-email-arbab@linux.vnet.ibm.com> <1475778995-1420-4-git-send-email-arbab@linux.vnet.ibm.com> <872f253d-8a55-246c-2be0-636a588e2dd0@gmail.com>
Date: Tue, 25 Oct 2016 20:39:45 +1100
Message-ID: <87pomoydge.fsf@concordia.ellerman.id.au>
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To: Balbir Singh <bsingharora@gmail.com>, Reza Arbab <arbab@linux.vnet.ibm.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Rob Herring <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>, Andrew Morton <akpm@linux-foundation.org>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>, Nathan Fontenot <nfont@linux.vnet.ibm.com>, Stewart Smith <stewart@linux.vnet.ibm.com>, Alistair Popple <apopple@au1.ibm.com>, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Tang Chen <tangchen@cn.fujitsu.com>, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-mm@kvack.org

Balbir Singh <bsingharora@gmail.com> writes:
> 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 thanks for digging it up.

  commit b226e462124522f2f23153daff31c311729dfa2f
  Author:     Mike Kravetz <kravetz@us.ibm.com>
  AuthorDate: Fri Dec 16 14:30:35 2005 -0800
                                  ^^^^
                                  
That is why maintainers don't like to merge "temporary" patches :)

cheers

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