Re: [PATCH 10/17] mm/mm_init: factor out pfn_to_zone()

[Muchun Song]

> On Jul 15, 2026, at 13:08, Mike Rapoport <rppt@xxxxxxxxxx> wrote:
> 
>> pfn_to_zone() in sparse-vmemmap.c duplicates the zone lookup logic in
>> __init_deferred_page().
>> 
>> Move it to mm_init.c, declare it in mm/internal.h, and reuse it from
>> __init_deferred_page() instead of open-coding the zone walk there.
> 
> Heh, this should be a preparatory patch instead of duplicating
> pfn_to_zone in sparse-vmemmap in an earlier patch ;-)

Make sense. I'll adjust the patch order to introduce pfn_to_zone() before
patch 7.

Muchun,
Thanks.

> 
> -- 
> Sincerely yours,
> Mike.
>