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b=J02qS4mG49amT9aL3qy0N/9i1yyI4Gsah5BLEvacx1Fg8/zXD2kzAp0KNcl+fhWuM Je22SK57DqL931haIX85t07X3Ih44MaXddzyX10Ta5vD8SRZ9JLbgybXeIwfhFWfKR TvPESGAR9FjLzwGiy17s6hZ+bHJpi5smnek79MCQaS7uGa/15Jt5Jcw9p84ZcJOMPK X6y4deFY7ltvG+x4scupqqLvulP7xDPYrI9DtvYdSh/ABSCwjNEayrv+abxdqsWehe 3FXyr5T22Ay4KFIPEoqjDAdGkIhRuIwCThrf2+WG4+HDGpjkv/k2aQ1K2/S1YtLzmm WCnOIT6zg1bLg== From: SJ Park To: Andrew Morton Cc: SJ Park , Brendan Higgins , David Gow , damon@lists.linux.dev, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 06/12] mm/damon/tests/core-kunit: extend set_regions() test for error case Date: Tue, 1 Sep 2026 22:47:39 -0700 Message-ID: <20260902054747.99370-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260902054747.99370-1-sj@kernel.org> References: <20260902054747.99370-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: o3tygz66a7c9bc91ui45xz7ox58bk6b5 X-Rspamd-Queue-Id: 5F6431C0003 X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1788328077-171947 X-HE-Meta: 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 fs6o/50N cEhSKG2X6z7uMyJhcXgK38ng8cQUfTjF6SAqnEF5X2ClEWcSlQVpvCqqNgDKFEQsE0lyY7qXZ8OTeJWT72Wy3xcFzBPwiUd5ELVBQagdSAwV5lTjo6mv9OXVfJW8rBkU8jnWEH1MEQLfrgSzc5hgyQL+9FzUS9lPJN+KIXpTpwkVpRireVp7wE9/53PpqDfq6EXaYrdG0+U1t9vExQoszk4sWTwIKhDJNRNEoJV2wkv8uTbsT5ReDDlvC1iYgaLVgZIvmaEY7AMezwXvG7Acdh1vZc906pBKxixBQ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_test_set_regions_for() is designed to test only success-expected damon_set_regions() calls. Extend it to cover error-expected calls, too. Signed-off-by: SJ Park --- mm/damon/tests/core-kunit.h | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index af26b3d60957b..2bcf3bafe2e29 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -469,11 +469,12 @@ static void damon_test_set_regions_for(struct kunit *test, struct damon_addr_range *old_ranges, int sz_old_ranges, struct damon_addr_range *new_ranges, int sz_new_ranges, unsigned long min_region_sz, - struct damon_addr_range *expect_ranges, int sz_expect_ranges) + struct damon_addr_range *expect_ranges, int sz_expect_ranges, + int expect_err) { struct damon_target *t; struct damon_region *r; - int i; + int i, err; t = damon_new_target(); if (!t) @@ -487,7 +488,8 @@ static void damon_test_set_regions_for(struct kunit *test, damon_add_region(r, t); } - damon_set_regions(t, new_ranges, sz_new_ranges, min_region_sz); + err = damon_set_regions(t, new_ranges, sz_new_ranges, min_region_sz); + KUNIT_EXPECT_EQ(test, err, expect_err); KUNIT_EXPECT_EQ(test, damon_nr_regions(t), sz_expect_ranges); if (damon_nr_regions(t) != sz_expect_ranges) { @@ -516,7 +518,7 @@ static void damon_test_set_regions(struct kunit *test) (struct damon_addr_range[]){ {.start = 5, .end = 15}, {.start = 15, .end = 25}, - }, 2); + }, 2, 0); /* Un-intersecting regions should be removed. */ damon_test_set_regions_for(test, (struct damon_addr_range[]){ @@ -529,7 +531,7 @@ static void damon_test_set_regions(struct kunit *test) 1, (struct damon_addr_range[]){ {.start = 18, .end = 23}, - }, 1); + }, 1, 0); /* * Holes should be filled up with new regions. * @@ -550,7 +552,7 @@ static void damon_test_set_regions(struct kunit *test) {.start = 8, .end = 16}, {.start = 16, .end = 24}, {.start = 24, .end = 28}, - }, 3); + }, 3, 0); /* * New regions should be able to be appended. * @@ -572,7 +574,7 @@ static void damon_test_set_regions(struct kunit *test) {.start = 0, .end = 4}, {.start = 4, .end = 15}, {.start = 25, .end = 40}, - }, 3); + }, 3, 0); /* * New regions should be able to be inserted. * @@ -595,7 +597,7 @@ static void damon_test_set_regions(struct kunit *test) {.start = 0, .end = 15}, {.start = 25, .end = 40}, {.start = 44, .end = 50}, - }, 3); + }, 3, 0); } static void damon_test_update_monitoring_result(struct kunit *test) -- 2.47.3