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Date: Fri, 25 Sep 2020 19:22:34 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH v5 15/17] device-dax: add an 'align' attribute
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CC: Joao Martins <joao.m.martins@oracle.com>, dave.hansen@linux.intel.com, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org
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On Fri, 25 Sep 2020 12:13:04 -0700 Dan Williams <dan.j.williams@intel.com> wrote:

> Introduce a device align attribute.  While doing so, rename the region
> align attribute to be more explicitly named as so, but keep it named as
> @align to retain the API for tools like daxctl.
> 
> Changes on align may not always be valid, when say certain mappings were
> created with 2M and then we switch to 1G.  So, we validate all ranges
> against the new value being attempted, post resizing.
> 
> Link: https://lkml.kernel.org/r/159643105944.4062302.3131761052969132784.stgit@dwillia2-desk3.amr.corp.intel.com
> Link: https://lore.kernel.org/r/20200716172913.19658-3-joao.m.martins@oracle.com
> Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>

The signoff chain implies that this was From:Joao.  Please clarify?
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