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Date: Fri, 2 Aug 2013 12:27:03 +1000
From: Michael Ellerman <michael@ellerman.id.au>
To: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Subject: Re: [PATCH 1/8] register bootmem pages for powerpc when sparse
 vmemmap is not defined
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On Wed, Jul 24, 2013 at 01:35:11PM -0500, Nathan Fontenot wrote:
> Previous commit 46723bfa540... introduced a new config option
> HAVE_BOOTMEM_INFO_NODE that ended up breaking memory hot-remove for powerpc
> when sparse vmemmap is not defined.

So that's a bug fix that should go into 3.10 stable?

cheers