Re: [PATCHv3 02/15] mm: Move MAX_FOLIO_ORDER definition to mmzone.h

[David Hildenbrand (Red Hat)]

On 1/15/26 18:26, Kiryl Shutsemau wrote:
> On Thu, Jan 15, 2026 at 05:48:20PM +0100, David Hildenbrand (Red Hat) wrote:
> > On 1/15/26 17:35, David Hildenbrand (Red Hat) wrote:
> > > On 1/15/26 15:45, Kiryl Shutsemau wrote:
> > > > Move MAX_FOLIO_ORDER definition from mm.h to mmzone.h.
> > >
> > > Why should that belong to mmzone.h ? Semantically doesn't make sense, no?
> >
> > To clarify, I would have moved it to something more folio-type specific, not
> > something buddy/zone specific.
> >
> > I guess page-flags.h + mm.h are our dumping ground for folio handling. I
> > would have moved it to the former.
>
> I moved it next to MAX_PAGE_ORDER definition which seemed to be logical.

MAX_PAGE_ORDER is a buddy concept. MAX_FOLIO_ORDER is not a buddy concept.

--
Cheers

David