Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down

[David Howells]

Jason Gunthorpe <jgg@xxxxxxxxxx> wrote:

> Isn't that this:
> 
> if (cleanup_flags & PAGE_CLEANUP_NEEDED)
>    gup_put_folio(folio, 1, cleanup_flags & PAGE_CLEANUP_UNPIN)
> 
> 
> ?

Yes.  As claimed, that would be three states.

> Three states - decr get, decr pinned, do nothing?

Yes.  Don't worry about it.  I'm not going to do it in gup.c.

David