Re: [PATCH v7 15/20] huge_memory: Add vmf_insert_folio_pud()

[David Hildenbrand]

On 04.02.25 23:48, Alistair Popple wrote:
> Currently DAX folio/page reference counts are managed differently to
> normal pages. To allow these to be managed the same as normal pages
> introduce vmf_insert_folio_pud. This will map the entire PUD-sized folio
> and take references as it would for a normally mapped page.
>
> This is distinct from the current mechanism, vmf_insert_pfn_pud, which
> simply inserts a special devmap PUD entry into the page table without
> holding a reference to the page for the mapping.
>
> Signed-off-by: Alistair Popple <apopple@xxxxxxxxxx>
> Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>

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

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb