From: David Hildenbrand <david@redhat.com>
To: Baolin Wang <baolin.wang@linux.alibaba.com>,
akpm@linux-foundation.org, hannes@cmpxchg.org
Cc: mhocko@kernel.org, zhengqi.arch@bytedance.com,
shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com,
hughd@google.com, willy@infradead.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: vmscan: remove folio_test_private() check in pageout()
Date: Fri, 12 Sep 2025 10:57:40 +0200 [thread overview]
Message-ID: <1bef69dd-7308-41f6-ac0f-5f171609c1cc@redhat.com> (raw)
In-Reply-To: <b8c0fe71982aa1cafafd59d8e71064efaac16007.1757648598.git.baolin.wang@linux.alibaba.com>
On 12.09.25 05:45, Baolin Wang wrote:
> Currently, we no longer attempt to write back filesystem folios in pageout(),
> and only tmpfs/shmem folios and anonymous swapcache folios can be written back.
> Moreover, tmpfs/shmem and swapcache folios do not use the PG_private flag,
> which means no fs-private private data is used. Therefore, we can remove the
> redundant folio_test_private() checks and related buffer_head release logic.
>
> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> ---
Acked-by: David Hildenbrand <david@redhat.com>
--
Cheers
David / dhildenb
next prev parent reply other threads:[~2025-09-12 8:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 3:45 [PATCH 0/2] some cleanups for pageout() Baolin Wang
2025-09-12 3:45 ` [PATCH 1/2] mm: vmscan: remove folio_test_private() check in pageout() Baolin Wang
2025-09-12 8:24 ` David Hildenbrand
2025-09-12 8:24 ` David Hildenbrand
2025-09-12 8:31 ` Baolin Wang
2025-09-12 8:57 ` David Hildenbrand
2025-09-12 9:03 ` Baolin Wang
2025-09-12 8:57 ` David Hildenbrand [this message]
2025-09-12 15:21 ` Matthew Wilcox
2025-09-13 3:04 ` Baolin Wang
2025-09-15 20:47 ` Matthew Wilcox
2025-09-18 2:45 ` Baolin Wang
2025-09-12 16:13 ` Shakeel Butt
2025-09-13 3:24 ` Baolin Wang
2025-09-15 20:00 ` Shakeel Butt
2025-09-16 4:00 ` Hugh Dickins
2025-09-16 7:18 ` Baolin Wang
2025-09-17 3:50 ` Baolin Wang
2025-09-17 7:49 ` Hugh Dickins
2025-09-18 2:22 ` Baolin Wang
2025-09-12 3:45 ` [PATCH 2/2] mm: vmscan: simplify the folio refcount " Baolin Wang
2025-09-12 8:58 ` David Hildenbrand
2025-09-12 16:16 ` Shakeel Butt
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