Re: [PATCH 2/2] mm/damon/core-kunit: test damon_valid_probe_params()

[SJ Park]

On Tue, 18 Aug 2026 03:45:52 +0000 Jason Angelov <jasonangelov@xxxxxxxx> wrote:

> 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

Thank you for adding these tests.

> 
> Signed-off-by: Jason Angelov <jasonangelov@xxxxxxxx>

Reviewed-by: SJ Park <sj@xxxxxxxxxx>


Thanks,
SJ

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