Re: [PATCH v2 4/4] mm/gup: adapt get_user_page_vma_remote() to never return NULL

[David Hildenbrand]

On 03.10.23 01:14, Lorenzo Stoakes wrote:
> get_user_pages_remote() will never return 0 except in the case of
> FOLL_NOWAIT being specified, which we explicitly disallow.
>
> This simplifies error handling for the caller and avoids the awkwardness of
> dealing with both errors and failing to pin. Failing to pin here is an
> error.
>
> Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
> Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
> ---

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb