Re: [PATCH v7 12/20] mm/memory: Enhance insert_page_into_pte_locked() to create writable mappings

From: David Hildenbrand
Date: Mon Feb 10 2025 - 13:40:56 EST


On 04.02.25 23:48, Alistair Popple wrote:
In preparation for using insert_page() for DAX, enhance
insert_page_into_pte_locked() to handle establishing writable
mappings. Recall that DAX returns VM_FAULT_NOPAGE after installing a
PTE which bypasses the typical set_pte_range() in finish_fault.

Signed-off-by: Alistair Popple <apopple@xxxxxxxxxx>
Suggested-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb