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From: Andrew Morton <akpm@linux-foundation.org>
To: Kairui Song <ryncsn@gmail.com>
Cc: linux-mm@kvack.org, Kemeng Shi <shikemeng@huaweicloud.com>,
	Kairui Song <kasong@tencent.com>, Nhat Pham <nphamcs@gmail.com>,
	Baoquan He <bhe@redhat.com>, Barry Song <baohua@kernel.org>,
	Chris Li <chrisl@kernel.org>,
	Baolin Wang <baolin.wang@linux.alibaba.com>,
	David Hildenbrand <david@redhat.com>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	Ying Huang <ying.huang@linux.alibaba.com>,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 0/4] mm, swap: misc cleanup and bugfix
Date: Tue, 7 Oct 2025 15:20:36 -0700	[thread overview]
Message-ID: <20251007152036.cfbd572d706c40ed79d75642@linux-foundation.org> (raw)
In-Reply-To: <20251007-swap-clean-after-swap-table-p1-v1-0-74860ef8ba74@tencent.com>

On Tue, 07 Oct 2025 04:02:32 +0800 Kairui Song <ryncsn@gmail.com> wrote:

> A few cleanups and a bugfix that are either suitable after the swap
> table phase I or found during code review.
> 
> Patch 1 is a bugfix and needs to be included in the stable branch,
> the rest have no behavior change.

fyi, the presentation of the series suggests that [1/4] is not a hotfix
- that it won't hit mainline (and then -stable) until after 6.19-rc1.

Which sounds OK given this:

> So far, no issues have been observed or reported with typical SSD setups
> under months of high pressure. This issue was found during my code
> review. But by hacking the kernel a bit: adding a mdelay(100) in the
> async discard path, this issue will be observable with WARNING triggered
> by the wrong GFP and cond_resched in the bio layer.



      parent reply	other threads:[~2025-10-07 22:20 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-06 20:02 [PATCH 0/4] mm, swap: misc cleanup and bugfix Kairui Song
2025-10-06 20:02 ` [PATCH 1/4] mm, swap: do not perform synchronous discard during allocation Kairui Song
2025-10-07 23:52   ` Nhat Pham
2025-10-08 20:54   ` Chris Li
2025-10-09 15:32     ` Kairui Song
2025-10-09 16:58       ` Chris Li
2025-10-12 16:49     ` Kairui Song
2025-10-14 21:27       ` Chris Li
2025-10-15  2:55         ` Chris Li
2025-10-15  6:24           ` Kairui Song
2025-10-15 16:45             ` Kairui Song
2025-10-21  6:48               ` Chris Li
2025-10-21  8:44                 ` Kairui Song
2025-10-21  7:34               ` YoungJun Park
2025-10-24  4:00                 ` Kairui Song
2025-10-06 20:02 ` [PATCH 2/4] mm, swap: rename helper for setup bad slots Kairui Song
2025-10-07 23:47   ` Nhat Pham
2025-10-08 10:25   ` David Hildenbrand
2025-10-08 20:58   ` Chris Li
2025-10-06 20:02 ` [PATCH 3/4] mm, swap: cleanup swap entry allocation parameter Kairui Song
2025-10-06 20:07   ` Kairui Song
2025-10-07 23:49     ` Nhat Pham
2025-10-08 10:26       ` David Hildenbrand
2025-10-08 20:59   ` Chris Li
2025-10-14  3:12   ` Baolin Wang
2025-10-06 20:02 ` [PATCH 4/4] mm/migrate, swap: drop usage of folio_index Kairui Song
2025-10-07 23:48   ` Nhat Pham
2025-10-08  1:20     ` Andrew Morton
2025-10-09 15:33     ` Kairui Song
2025-10-08 21:03   ` Chris Li
2025-10-14  3:15   ` Baolin Wang
2025-10-07 22:20 ` Andrew Morton [this message]

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