From: Shakeel Butt <shakeel.butt@linux.dev>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: brauner@kernel.org, djwong@kernel.org, cem@kernel.org,
akpm@linux-foundation.org, vbabka@kernel.org, surenb@google.com,
mhocko@suse.com, brendan.jackman@linux.dev, hannes@cmpxchg.org,
ziy@nvidia.com, david@kernel.org, qi.zheng@linux.dev,
ljs@kernel.org, linux-xfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2/4] iomap: simplify writepages reclaim guard
Date: Wed, 2 Sep 2026 08:34:53 -0700 [thread overview]
Message-ID: <aphCBeqTnKEpTCuF@linux.dev> (raw)
In-Reply-To: <20260902131653.1338227-3-wangkefeng.wang@huawei.com>
On Wed, Sep 02, 2026 at 09:16:51PM +0800, Kefeng Wang wrote:
> Now that kswapd can no longer reach filesystem writeback (pageout()
> returns PAGE_ACTIVATE for non-shmem, non-anon folios), any PF_MEMALLOC
> context in iomap_writepages() indicates a VM regression, simplify
> the check by removing PF_KSWAPD.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
next prev parent reply other threads:[~2026-09-02 15:35 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 13:16 [PATCH 0/4] mm: replace PF_KCOMPACTD/PF_KSWAPD with kthread_func() Kefeng Wang
2026-09-02 13:16 ` [PATCH 1/4] xfs: remove dead kswapd flag inheritance from btree split worker Kefeng Wang
2026-09-02 14:32 ` Christoph Hellwig
2026-09-02 15:33 ` Shakeel Butt
2026-09-02 13:16 ` [PATCH 2/4] iomap: simplify writepages reclaim guard Kefeng Wang
2026-09-02 14:32 ` Christoph Hellwig
2026-09-03 13:46 ` Kefeng Wang
2026-09-02 15:34 ` Shakeel Butt [this message]
2026-09-02 13:16 ` [PATCH 3/4] mm: replace PF_KSWAPD flag with kthread_func() check Kefeng Wang
2026-09-02 15:36 ` Shakeel Butt
2026-09-02 16:35 ` Vlastimil Babka (SUSE)
2026-09-02 16:39 ` Zi Yan
2026-09-10 11:56 ` David Hildenbrand (Arm)
2026-09-02 13:16 ` [PATCH 4/4] mm: replace PF_KCOMPACTD " Kefeng Wang
2026-09-02 15:37 ` Shakeel Butt
2026-09-02 16:36 ` Vlastimil Babka (SUSE)
2026-09-02 16:40 ` Zi Yan
2026-09-10 11:57 ` David Hildenbrand (Arm)
2026-09-02 15:31 ` [PATCH 0/4] mm: replace PF_KCOMPACTD/PF_KSWAPD with kthread_func() Shakeel Butt
2026-09-02 20:44 ` Andrew Morton
2026-09-03 13:37 ` [PATCH] xfs: fix NOFS state corruption in btree split worker Kefeng Wang
2026-09-03 13:52 ` Brian Foster
2026-09-04 0:41 ` Kefeng Wang
2026-09-04 11:57 ` Brian Foster
2026-09-10 5:47 ` Christoph Hellwig
2026-09-10 6:07 ` Darrick J. Wong
[not found] ` <20260910140742.833170-1-wangkefeng.wang@huawei.com>
[not found] ` <aqLqeTsbKBMEsl-G@bfoster>
2026-09-11 0:57 ` [PATCH] xfs: kill xfs_trans_set/clear_context() helpers Kefeng Wang
2026-09-11 7:12 ` Christoph Hellwig
2026-09-11 10:51 ` Kefeng Wang
2026-09-03 13:40 ` [PATCH 0/4] mm: replace PF_KCOMPACTD/PF_KSWAPD with kthread_func() Kefeng Wang
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