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b=ndhbkibA2/s9ur+d/cyK5k0DFTmY8D405eQEYf//yQTvR/lfepmnQU8ahFcYI2Raq NX8gie8bPbGAWyHcm9VWJdVihzcqG56lZJGNZaqtYcG4evevY4XXY5rZ79RyzaGj7g q3Bz6bhC1D97H7+7xsbNeLdsZSAWPsDIfmjQNAjUPx8nVKa/jDQ34VHYIUglTr7NjJ zPS2RjT/d5WYMaGAfa3Cd2TqCLm7fWBSm2dU2vR6ljnlWn2L77sSbjhADKNXtdajZC oVNlaeJYoMjyaYckquNu8D3K60nCRMNEHTDTlfwUgUJdAyjtLWkuhcpW3mLJ/6eLLZ 0t4dwikdeI5XA== From: SJ Park To: Cc: SJ Park , Andrew Morton , 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: [RFC PATCH v1.1 04/10] mm/damon/tests/core-kunit: extend set_regions() test for error case Date: Tue, 28 Jul 2026 20:37:44 -0700 Message-ID: <20260729033751.131213-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260729033751.131213-1-sj@kernel.org> References: <20260729033751.131213-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 9E97340003 X-Stat-Signature: h1y5zgruuxxgm5qj8mds6sg9d5m6bnm9 X-Rspam-User: X-HE-Tag: 1785296282-773437 X-HE-Meta: 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 UFCpyDLw 7B9A1E0UeD9LKTTQmKZKu+wNLZOnwVA/HWkTmN0T44lVDu/wrGa9hUAiGqkPeHHPekMdPnnJdMvcP/A44Ot233icCCDrfI+JfXcj/SwYzc1D+VG8o6IULtNfQgH73oslnUCF4d3HVVm5fsbTvo6yQ+Mscr5jzJwGJwcIteLdWJzHuzfqQR/47VeAElpFBQn/J6iNagzjhf2bfhgDbBv2tZ8FVU2AGnAjlV8NONsRzHP9/2IgOk22hnm0LAuKSAeZvCjqGuXDTD3zBOxUegIoV4vk+Lw== 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 4a536d41cdb2d..befc1196d6d60 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -463,11 +463,12 @@ 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) @@ -481,7 +482,8 @@ 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) { @@ -510,7 +512,7 @@ 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[]){ @@ -523,7 +525,7 @@ 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. * @@ -544,7 +546,7 @@ 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. * @@ -566,7 +568,7 @@ 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. * @@ -589,7 +591,7 @@ 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