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
