Re: [PATCH v2 3/4] mm/gup: make failure to pin an error if FOLL_NOWAIT not specified

[David Hildenbrand]

On 03.10.23 01:14, Lorenzo Stoakes wrote:
> There really should be no circumstances under which a non-FOLL_NOWAIT GUP
> operation fails to return any pages, so make this an error and warn on it.
>
> To catch the trivial case, simply exit early if nr_pages == 0.
>
> This brings __get_user_pages_locked() in line with the behaviour of its
> nommu variant.
>
> Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
> ---

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb