Re: [PATCH 09/17] gup: Convert gup_pte_range() to use a folio

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Sun, Jan 02, 2022 at 09:57:21PM +0000, Matthew Wilcox (Oracle) wrote:
> We still call try_grab_folio() once per PTE; a future patch could
> optimise to just adjust the reference count for each page within
> the folio.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>