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SubjectRe: [PATCH 5/5] mm, hmm: mark hmm_devmem_{add, add_resource} EXPORT_SYMBOL_GPL
On Mon, May 21, 2018 at 03:35:40PM -0700, Dan Williams wrote:
> The routines hmm_devmem_add(), and hmm_devmem_add_resource() are small
> wrappers around devm_memremap_pages(). The devm_memremap_pages()
> interface is a subset of the hmm functionality which has more and deeper
> ties into the kernel memory management implementation. It was an
> oversight that these symbols were not marked EXPORT_SYMBOL_GPL from the
> outset due to how they originally copied (and now reuse)
> devm_memremap_pages().

If we end up keeping this code: absolutely. Then again I think without
an actual user this should have never been merged, and should be removed
until one shows up.

Reviewed-by: Christoph Hellwig <>

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