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Date:   Tue, 29 Mar 2022 22:46:10 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc:     linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
        nvdimm@lists.linux.dev, linux-mm@kvack.org,
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        dan.j.williams@intel.com, david@fromorbit.com, hch@infradead.org,
        jane.chu@oracle.com, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v11 5/8] mm: move pgoff_address() to vma_pgoff_address()
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On Sun, Feb 27, 2022 at 08:07:44PM +0800, Shiyang Ruan wrote:
> Since it is not a DAX-specific function, move it into mm and rename it
> to be a generic helper.

FYI, there is a patch in -mm and linux-next:

  "mm: rmap: introduce pfn_mkclean_range() to cleans PTEs"

that adds a vma_pgoff_address which seems like a bit of a superset of
the one added in this patch, but only is in mm/internal.h.