[PATCH v7 14/20] rmap: Add support for PUD sized mappings to rmap

[David Hildenbrand]

On 04.02.25 23:48, Alistair Popple wrote:
> The rmap doesn't currently support adding a PUD mapping of a
> folio. This patch adds support for entire PUD mappings of folios,
> primarily to allow for more standard refcounting of device DAX
> folios. Currently DAX is the only user of this and it doesn't require
> support for partially mapped PUD-sized folios so we don't support for
> that for now.
> 
> Signed-off-by: Alistair Popple <apopple at nvidia.com>
> Acked-by: David Hildenbrand <david at redhat.com>
> Reviewed-by: Dan Williams <dan.j.williams at intel.com>

Nit: patch subject should start with "mm/rmap:"

-- 
Cheers,

David / dhildenb