linux-kernel - Re: [PATCH v2 4/4] mm/huge_memory: fix folio split stats counting

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Message-ID: <20251123015603.fmzmkwxjqkgd4oop@master>
Date: Sun, 23 Nov 2025 01:56:03 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: Zi Yan <ziy@...dia.com>
Cc: David Hildenbrand <david@...nel.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	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>,
	Lance Yang <lance.yang@...ux.dev>,
	Miaohe Lin <linmiaohe@...wei.com>,
	Naoya Horiguchi <nao.horiguchi@...il.com>,
	Wei Yang <richard.weiyang@...il.com>,
	Balbir Singh <balbirs@...dia.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] mm/huge_memory: fix folio split stats counting

On Fri, Nov 21, 2025 at 09:55:29PM -0500, Zi Yan wrote:
>The "return <error code>" statements for error checks at the beginning of
>__folio_split() skip necessary count_vm_event() and count_mthp_stat() at
>the end of the function. Fix these by replacing them with
>"ret = <error code>; goto out;".
>
>Signed-off-by: Zi Yan <ziy@...dia.com>

Sounds reasonable, Thanks.

Reviewed-by: Wei Yang <richard.weiyang@...il.com>

-- 
Wei Yang
Help you, Help me