linux-kernel - Re: [PATCHv4 01/14] mm: Move MAX_FOLIO

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Message-Id: <9664AA17-6F0A-4507-B2F3-4543ECE52FF1@linux.dev>
Date: Thu, 22 Jan 2026 10:24:02 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Kiryl Shutsemau <kas@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 David Hildenbrand <david@...nel.org>,
 Matthew Wilcox <willy@...radead.org>,
 Usama Arif <usamaarif642@...il.com>,
 Frank van der Linden <fvdl@...gle.com>,
 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: [PATCHv4 01/14] mm: Move MAX_FOLIO_ORDER definition to mmzone.h



> On Jan 22, 2026, at 00:22, Kiryl Shutsemau <kas@...nel.org> wrote:
> 
> Move MAX_FOLIO_ORDER definition from mm.h to mmzone.h.
> 
> This is preparation for adding the vmemmap_tails array to struct
> pglist_data, which requires MAX_FOLIO_ORDER to be available in mmzone.h.
> 
> Signed-off-by: Kiryl Shutsemau <kas@...nel.org>
> Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>

Acked-by: Muchun Song <muchun.song@...ux.dev>