linux-kernel - Re: [PATCH v2 1/5] mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split

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Message-ID: <20251224052611.81594-1-sj@kernel.org>
Date: Tue, 23 Dec 2025 21:26:10 -0800
From: SeongJae Park <sj@...nel.org>
To: Shu Anzai <shu17az@...il.com>
Cc: SeongJae Park <sj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	damon@...ts.linux.dev,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split_at()

On Wed, 24 Dec 2025 04:21:56 +0000 Shu Anzai <shu17az@...il.com> wrote:

> Extend damon_test_split_at() to verify the 'age' field.
> 
> Signed-off-by: Shu Anzai <shu17az@...il.com>

Reviewed-by: SeongJae Park <sj@...nel.org>

> ---
>  mm/damon/tests/core-kunit.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
> index f59ae7ee19a0..88ec046f4942 100644
> --- a/mm/damon/tests/core-kunit.h
> +++ b/mm/damon/tests/core-kunit.h
> @@ -158,6 +158,7 @@ static void damon_test_split_at(struct kunit *test)
>  	r->nr_accesses_bp = 420000;
>  	r->nr_accesses = 42;
>  	r->last_nr_accesses = 15;
> +	r->age = 10;
>  	damon_add_region(r, t);
>  	damon_split_region_at(t, r, 25);
>  	KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
> @@ -170,6 +171,7 @@ static void damon_test_split_at(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, r->nr_accesses_bp, r_new->nr_accesses_bp);
>  	KUNIT_EXPECT_EQ(test, r->nr_accesses, r_new->nr_accesses);
>  	KUNIT_EXPECT_EQ(test, r->last_nr_accesses, r_new->last_nr_accesses);
> +	KUNIT_EXPECT_EQ(test, r->age, r_new->age);
>  
>  	damon_free_target(t);
>  }
> -- 
> 2.43.0


Thanks,
SJ