linux-kernel - Re: [PATCH 1/4] mm: thp: replace folio_memcg() with folio_memcg

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Message-ID: <a4f7c004-b96a-4902-b003-111c83b0ddc1@redhat.com>
Date: Mon, 22 Sep 2025 10:17:13 +0200
From: David Hildenbrand <david@...hat.com>
To: Qi Zheng <zhengqi.arch@...edance.com>, hannes@...xchg.org,
 hughd@...gle.com, mhocko@...e.com, roman.gushchin@...ux.dev,
 shakeel.butt@...ux.dev, muchun.song@...ux.dev, lorenzo.stoakes@...cle.com,
 ziy@...dia.com, baolin.wang@...ux.alibaba.com, Liam.Howlett@...cle.com,
 npache@...hat.com, ryan.roberts@....com, dev.jain@....com,
 baohua@...nel.org, lance.yang@...ux.dev, akpm@...ux-foundation.org
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
 cgroups@...r.kernel.org, Muchun Song <songmuchun@...edance.com>
Subject: Re: [PATCH 1/4] mm: thp: replace folio_memcg() with
 folio_memcg_charged()

On 19.09.25 05:46, Qi Zheng wrote:
> From: Muchun Song <songmuchun@...edance.com>
> 
> folio_memcg_charged() is intended for use when the user is unconcerned
> about the returned memcg pointer. It is more efficient than folio_memcg().
> Therefore, replace folio_memcg() with folio_memcg_charged().
> 
> Signed-off-by: Muchun Song <songmuchun@...edance.com>
> Acked-by: Johannes Weiner <hannes@...xchg.org>
> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers

David / dhildenb