Re: [PATCH 3/8] mm: Add pmd_folio()

[David Hildenbrand <david@redhat.com>]

On 26.03.24 21:28, Matthew Wilcox (Oracle) wrote:
> Convert directly from a pmd to a folio without going through another
> representation first.  For now this is just a slightly shorter way to
> write it, but it might end up being more efficient later.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
>   include/linux/pgtable.h | 2 ++
>   mm/huge_memory.c        | 6 +++---
>   mm/madvise.c            | 2 +-
>   mm/mempolicy.c          | 2 +-
>   mm/mlock.c              | 2 +-
>   mm/userfaultfd.c        | 2 +-
>   6 files changed, 9 insertions(+), 7 deletions(-)
> 
> diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
> index 600e17d03659..09c85c7bf9c2 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -50,6 +50,8 @@
>   #define pmd_pgtable(pmd) pmd_page(pmd)
>   #endif
>   
> +#define pmd_folio(pmd) page_folio(pmd_page(pmd))

Heh, I even used that on one of my recent patches and was sad not to 
find pud_folio(). ;)

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb