linux-kernel - Re: [PATCH mm-unstable v5 01/10] mm: add folio dtor and order setter functions

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Date:   Wed, 7 Dec 2022 18:31:18 -0800
From:   John Hubbard <jhubbard@...dia.com>
To:     Muchun Song <muchun.song@...ux.dev>,
        Mike Kravetz <mike.kravetz@...cle.com>
CC:     Sidhartha Kumar <sidhartha.kumar@...cle.com>,
        <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Muchun Song <songmuchun@...edance.com>,
        Matthew Wilcox <willy@...radead.org>,
        "Mina Almasry" <almasrymina@...gle.com>,
        Miaohe Lin <linmiaohe@...wei.com>, <hughd@...gle.com>,
        <tsahu@...ux.ibm.com>, David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH mm-unstable v5 01/10] mm: add folio dtor and order setter
 functions

On 12/7/22 18:19, Muchun Song wrote:
> How about adding a new helper like "folio_dissolve_compound(struct folio *folio)"?
> then it may be unnecessary to add a comment.
> 

Yes, and in fact, I just finished spelling out exactly how to do that, in [1].


[1] https://lore.kernel.org/all/d17530ad-8e12-8069-d619-a2d72fe80e15@nvidia.com/


thanks,
-- 
John Hubbard
NVIDIA