From: sashiko-bot@kernel.org
To: "SJ Park" <sj@kernel.org>
Cc: damon@lists.linux.dev
Subject: Re: [PATCH v2 2/2] mm/damon/core-kunit: test damon_valid_probe_params()
Date: Mon, 31 Aug 2026 18:15:30 +0000 [thread overview]
Message-ID: <20260831181530.895641F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260831150650.84829-3-sj@kernel.org>
> From: Jason Angelov <jasonangelov@ucla.edu>
>
> damon_valid_probe_params() makes damon_commit_ctx() reject probe
> configurations that could overflow a probe_hits counter, a single
> (weight * probe_hits) product, or the sum of those products.
>
> Add a kunit test covering each rejection at its boundary:
>
> - samples per aggregation interval: U8_MAX is allowed, one more could
> overflow a probe_hits counter
> - single weight: the largest whose product fits in unsigned int is
> allowed, one larger is rejected
> - multiple probes: each product fits, but their sum overflows
> - no weight set: the validation is skipped
>
> Signed-off-by: Jason Angelov <jasonangelov@ucla.edu>
> Reviewed-by: SJ Park <sj@kernel.org>
> Signed-off-by: SJ Park <sj@kernel.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260831150650.84829-1-sj@kernel.org?part=2
prev parent reply other threads:[~2026-08-31 18:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 15:06 [PATCH v2 0/2] mm/damon: add kunit tests for probe_hits handling and probe params validation SJ Park
2026-08-31 15:06 ` [PATCH v2 1/2] mm/damon/core-kunit: test probe_hits handling at region split and merge SJ Park
2026-08-31 18:10 ` sashiko-bot
2026-08-31 15:06 ` [PATCH v2 2/2] mm/damon/core-kunit: test damon_valid_probe_params() SJ Park
2026-08-31 18:15 ` sashiko-bot [this message]
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