Re: [PATCH 07/12] mm/sparse: remove pfn_in_present_section()

[Lorenzo Stoakes (ARM)]

On Wed, Sep 09, 2026 at 03:33:00PM +0200, David Hildenbrand (Arm) wrote:
> Unused, let's remove it.
>
> Signed-off-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

LGTM so:

Reviewed-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>

> ---
>  include/linux/mmzone.h | 10 ----------
>  1 file changed, 10 deletions(-)
>
> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index 19296e8ef44f8..e0fac344f6ac2 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -2315,13 +2315,6 @@ static inline unsigned long next_valid_pfn(unsigned long pfn, unsigned long end_
>
>  #endif
>
> -static inline int pfn_in_present_section(unsigned long pfn)
> -{
> -	if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
> -		return 0;
> -	return present_section(__pfn_to_section(pfn));
> -}
> -
>  static inline unsigned long next_present_section_nr(unsigned long section_nr)
>  {
>  	while (++section_nr <= __highest_used_section_nr) {
> @@ -2351,9 +2344,6 @@ static inline unsigned long next_present_section_nr(unsigned long section_nr)
>  #else
>  #define pfn_to_nid(pfn)		(0)
>  #endif
> -
> -#else
> -#define pfn_in_present_section pfn_valid
>  #endif /* CONFIG_SPARSEMEM */
>
>  /*
>
> --
> 2.43.0
>

--
Cheers, Lorenzo