linux-kernel - Re: [PATCH 1/2] mm: Fix memory size alignment in devm_memremap_pages

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Message-ID: <CAPcyv4jxHuo5kJhZ7T5dseNmW0qKtnjc98k9KS=TKRxV_FXW4g@mail.gmail.com>
Date:   Fri, 19 Jan 2018 16:15:29 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Jan H. Schönherr <jschoenh@...zon.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] mm: Fix memory size alignment in devm_memremap_pages_release()

On Wed, Jan 17, 2018 at 4:06 PM, Jan H. Schönherr <jschoenh@...zon.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. Schönherr <jschoenh@...zon.de>

Looks good to me, applied for 4.16.