Re: [PATCH v3 7/7] mm/gup: remove vmas array from internal GUP functions

[David Hildenbrand]

On 15.04.23 14:09, Lorenzo Stoakes wrote:
> Now we have eliminated all callers to GUP APIs which use the vmas
> parameter, eliminate it altogether.
>
> This eliminates a class of bugs where vmas might have been kept around
> longer than the mmap_lock and thus we need not be concerned about locks
> being dropped during this operation leaving behind dangling pointers.
>
> This simplifies the GUP API and makes it considerably clearer as to its
> purpose - follow flags are applied and if pinning, an array of pages is
> returned.
>
> Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
> ---

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb