Re: [PATCH] mm: Remove PageTransTail()

[David Hildenbrand <david@redhat.com>]

On 09.01.25 16:22, Matthew Wilcox (Oracle) wrote:
> The last caller was removed in October.  Also remove the FALSE definition
> of PageTransCompoundMap(); the normal definition was removed a few
> years ago.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
>   include/linux/page-flags.h | 12 ------------
>   1 file changed, 12 deletions(-)
> 
> diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
> index 691506bdf2c5..330929b6e062 100644
> --- a/include/linux/page-flags.h
> +++ b/include/linux/page-flags.h
> @@ -894,21 +894,9 @@ static inline int PageTransCompound(const struct page *page)
>   {
>   	return PageCompound(page);
>   }
> -
> -/*
> - * PageTransTail returns true for both transparent huge pages
> - * and hugetlbfs pages, so it should only be called when it's known
> - * that hugetlbfs pages aren't involved.
> - */
> -static inline int PageTransTail(const struct page *page)
> -{
> -	return PageTail(page);
> -}
>   #else
>   TESTPAGEFLAG_FALSE(TransHuge, transhuge)
>   TESTPAGEFLAG_FALSE(TransCompound, transcompound)
> -TESTPAGEFLAG_FALSE(TransCompoundMap, transcompoundmap)
> -TESTPAGEFLAG_FALSE(TransTail, transtail)
>   #endif
>   
>   #if defined(CONFIG_MEMORY_FAILURE) && defined(CONFIG_TRANSPARENT_HUGEPAGE)

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

-- 
Cheers,

David / dhildenb