linux-kernel - Re: [PATCHv3 02/15] mm: Move MAX_FOLIO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <bf788cfe-ac2e-4ffc-9349-64d9c36bf072@kernel.org>
Date: Thu, 15 Jan 2026 17:48:20 +0100
From: "David Hildenbrand (Red Hat)" <david@...nel.org>
To: Kiryl Shutsemau <kas@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Muchun Song <muchun.song@...ux.dev>, Matthew Wilcox <willy@...radead.org>,
 Usama Arif <usamaarif642@...il.com>, Frank van der Linden <fvdl@...gle.com>
Cc: Oscar Salvador <osalvador@...e.de>, Mike Rapoport <rppt@...nel.org>,
 Vlastimil Babka <vbabka@...e.cz>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Zi Yan <ziy@...dia.com>,
 Baoquan He <bhe@...hat.com>, Michal Hocko <mhocko@...e.com>,
 Johannes Weiner <hannes@...xchg.org>, Jonathan Corbet <corbet@....net>,
 kernel-team@...a.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org
Subject: Re: [PATCHv3 02/15] mm: Move MAX_FOLIO_ORDER definition to mmzone.h

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.

Likely we want some folio.h in some distant future.

Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>

-- 
Cheers

David