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b=HWKgF+b568A7QXZBkiF6lBSFi8YLqZvmU8wFu/o14NdL5JyEo2ZNhbjRpC8EJn1xW gJ+aItnXdaYO3v5jdY/kKKNPFsYntTrHQffTswsvCIhrMAWMkbTOAURt1hhGTYUOtO DUgta5B9pZCYoyWRUMa1rVv9CYtI+/Dr6BusFHeKSqnwGbnKHVzwKHiSwTz+UhpgBi y1fHXM1jXSn1UhwVCGAv2wsUG48f7ZvWZg6+p+d6k0wBXL9TNs2zswV+h6HzJkk2Sr 1rCtZHnrtHNR12Hz+qz577qmJyNZw4Vp0S/SLt9ti5gWwKda7pX5tmUkUkkAaXe3Zd qBrNad4sl8izw== 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 04/10] mm/damon/tests/core-kunit: extend set_regions() test for error case Date: Mon, 27 Jul 2026 22:28:03 -0700 Message-ID: <20260728052811.192712-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260728052811.192712-1-sj@kernel.org> References: <20260728052811.192712-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 015AFC0006 X-Stat-Signature: n8em45dcyb7qoqkezg45b6t8gz4iyej7 X-Rspam-User: X-HE-Tag: 1785216497-320602 X-HE-Meta: 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 oaDVCLRO JrzGZ2/aTWbS+UV19BqXCrVG+USK8tS8Nqu9ixchoU6/6jwHA9yEtqHLsVZvJMDsF1Kx9v53BPKRNkdr/8g1wTpofZJ7zISMHDCPybKD70lXZOcCfjerLNMWqyr35IM6h7xkbvRpYKDUHgs+Adcb0ZE7+JLbo1wMWgGZtwgxQeM4aqBvxkkLbF+q9HoCHNKoCtw+tgnwcW2bZ5H40ZAKl7vvCxiT5s/tp12fvs7+eD7MmmEXzrVv7Ypob9amUO/GqZAakqi2VzkyAzVPCohHYFY7YYw== 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