Re: [PATCH v1 1/3] mm/rmap: move SetPageAnonExclusive() out of page_move_anon_rmap()

[Vishal Moola]

On Mon, Oct 02, 2023 at 04:29:47PM +0200, David Hildenbrand wrote:
> Let's move it into the caller: there is a difference between whether an
> anon folio can only be mapped by one process (e.g., into one VMA), and
> whether it is truly exclusive (e.g., no references -- including GUP --
> from other processes).
> 
> Further, for large folios the page might not actually be pointing at the
> head page of the folio, so it better be handled in the caller. This is a
> preparation for converting page_move_anon_rmap() to consume a folio.

Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>