From: SeongJae Park <sj@kernel.org>
To: Kunwu Chan <kunwu.chan@linux.dev>
Cc: SeongJae Park <sj@kernel.org>,
shuah@kernel.org, damon@lists.linux.dev,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Kunwu Chan <kunwu.chan@gmail.com>,
Wang Lian <lianux.mm@gmail.com>, Kunwu Chan <chentao@kylinos.cn>
Subject: Re: [PATCH 1/5] selftests/damon: prevent cross-context state pollution in DamonCtx
Date: Sun, 31 May 2026 09:30:49 -0700 [thread overview]
Message-ID: <20260531163050.98908-1-sj@kernel.org> (raw)
In-Reply-To: <20260531091724.84381-1-kunwu.chan@linux.dev>
On Sun, 31 May 2026 17:17:20 +0800 Kunwu Chan <kunwu.chan@linux.dev> wrote:
> From: Kunwu Chan <kunwu.chan@gmail.com>
>
> DamonCtx.__init__() uses mutable default values for
> monitoring_attrs, targets, and schemes. In Python these are
> evaluated once at function definition time, so multiple
> DamonCtx instances can unintentionally share the same lists
> and DamonAttrs instance.
>
> Replace the mutable defaults with None sentinels and
> initialize the objects when needed.
Nice change, thank you!
>
> Co-developed-by: Wang Lian <lianux.mm@gmail.com>
> Signed-off-by: Wang Lian <lianux.mm@gmail.com>
> Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
checkpatch.pl complains as below:
WARNING: From:/Signed-off-by: email address mismatch: 'From: Kunwu Chan <kunwu.chan@gmail.com>' != 'Signed-off-by: Kunwu Chan <chentao@kylinos.cn>'
Other than that,
Reviewed-by: SeongJae Park <sj@kernel.org>
Thanks,
SJ
[...]
next prev parent reply other threads:[~2026-05-31 16:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-31 8:56 [PATCH 0/5] selftests/damon: misc fixes for test bugs Kunwu Chan
2026-05-31 9:17 ` [PATCH 1/5] selftests/damon: prevent cross-context state pollution in DamonCtx Kunwu Chan
2026-05-31 9:17 ` [PATCH 2/5] selftests/damon: fix memcg filter path handling Kunwu Chan
2026-05-31 16:36 ` SeongJae Park
2026-06-01 2:19 ` Kunwu Chan
2026-05-31 9:17 ` [PATCH 3/5] selftests/damon/damos_tried_regions: fix expectation output and join TypeError Kunwu Chan
2026-05-31 16:39 ` SeongJae Park
2026-05-31 9:17 ` [PATCH 4/5] selftests/damon/damos_tried_regions: handle empty tried regions in early cycles Kunwu Chan
2026-05-31 16:54 ` SeongJae Park
2026-06-01 2:33 ` Kunwu Chan
2026-05-31 9:17 ` [PATCH 5/5] selftests/damon: fix dead code, skipped checks, and broken lookups Kunwu Chan
2026-05-31 16:59 ` SeongJae Park
2026-05-31 16:30 ` SeongJae Park [this message]
2026-06-01 2:11 ` [PATCH 1/5] selftests/damon: prevent cross-context state pollution in DamonCtx Kunwu Chan
2026-05-31 17:08 ` [PATCH 0/5] selftests/damon: misc fixes for test bugs SeongJae Park
2026-06-01 2:38 ` Kunwu Chan
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