linux-kernel - Re: [PATCH v3 0/2] __folio

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Message-Id: <20250717153555.18676fbf351eef2286b33cdb@linux-foundation.org>
Date: Thu, 17 Jul 2025 15:35:55 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Balbir Singh <balbirs@...dia.com>, Zi Yan <ziy@...dia.com>, David
 Hildenbrand <david@...hat.com>, linux-mm@...ck.org, Hugh Dickins
 <hughd@...gle.com>, Kirill Shutemov <k.shutemov@...il.com>, Baolin Wang
 <baolin.wang@...ux.alibaba.com>, "Liam R. Howlett"
 <Liam.Howlett@...cle.com>, Nico Pache <npache@...hat.com>, Ryan Roberts
 <ryan.roberts@....com>, Dev Jain <dev.jain@....com>, Barry Song
 <baohua@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] __folio_split() clean up.

On Thu, 17 Jul 2025 13:40:55 +0100 Lorenzo Stoakes <lorenzo.stoakes@...cle.com> wrote:

> The patches are in the correct order, but the 2/2 patch, 'mm/huge_memory: use
> folio_expected_ref_count() to calculate ref_count.' contains the cover letter
> and has the suffix:
> 
>     This patch (of 2):
> 
>     Instead of open coding the ref_count calculation, use
>     folio_expected_ref_count()
> 
> But immediately prior to it is 1/2 - mm/huge_memory: move unrelated code
> out of __split_unmapped_folio() but with no cover letter reference.

Doh, I placed the [0/2] inside [2/2] instead of [1/2].

Fixed, I'll hang onto the v3 series - it already has a TBU (to be
updated) akpm-note-to-self.