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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Fri, 19 Jan 2018 16:15:29 -0800
Message-ID: <CAPcyv4jxHuo5kJhZ7T5dseNmW0qKtnjc98k9KS=TKRxV_FXW4g@mail.gmail.com>
Subject: Re: [PATCH 1/2] mm: Fix memory size alignment in devm_memremap_pages_release()
To:     =?UTF-8?Q?Jan_H=2E_Sch=C3=B6nherr?= <jschoenh@amazon.de>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Linux MM <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Wed, Jan 17, 2018 at 4:06 PM, Jan H. Sch=C3=B6nherr <jschoenh@amazon.de>=
 wrote:
> The functions devm_memremap_pages() and devm_memremap_pages_release() use
> different ways to calculate the section-aligned amount of memory. The
> latter function may use an incorrect size if the memory region is small
> but straddles a section border.
>
> Use the same code for both.
>
> Fixes: 5f29a77cd957 ("mm: fix mixed zone detection in devm_memremap_pages=
")
> Signed-off-by: Jan H. Sch=C3=B6nherr <jschoenh@amazon.de>

Looks good to me, applied for 4.16.