From: Andrew Morton <akpm@linux-foundation.org>
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: linux-mm@kvack.org, shakeel.butt@linux.dev,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Brendan Jackman <jackmanb@google.com>,
Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
Qi Zheng <zhengqi.arch@bytedance.com>,
Jiayuan Chen <jiayuan.chen@shopee.com>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/2] mm/vmscan: mitigate spurious kswapd_failures reset and add tracepoints
Date: Thu, 15 Jan 2026 15:39:19 -0800 [thread overview]
Message-ID: <20260115153919.6c3253ba9e81d57efe2d4716@linux-foundation.org> (raw)
In-Reply-To: <20260114074049.229935-1-jiayuan.chen@linux.dev>
On Wed, 14 Jan 2026 15:40:34 +0800 Jiayuan Chen <jiayuan.chen@linux.dev> wrote:
> == Problem ==
>
> We observed an issue in production on a multi-NUMA system where kswapd
> runs endlessly, causing sustained heavy IO READ pressure across the
> entire system.
>
> == Solution ==
>
> ...
>
Thanks, I'll update mm.git to this version to keep the series under
test while Michal and Shakeel continue their review (please!).
prev parent reply other threads:[~2026-01-15 23:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 7:40 Jiayuan Chen
2026-01-14 7:40 ` [PATCH v3 1/2] mm/vmscan: mitigate spurious kswapd_failures reset from direct reclaim Jiayuan Chen
2026-01-16 17:00 ` Johannes Weiner
2026-01-19 3:04 ` Jiayuan Chen
2026-01-18 5:04 ` Shakeel Butt
2026-01-14 7:40 ` [PATCH v3 2/2] mm/vmscan: add tracepoint and reason for kswapd_failures reset Jiayuan Chen
2026-01-18 5:08 ` Shakeel Butt
2026-01-15 23:39 ` Andrew Morton [this message]
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