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b=h73bFV9XXRa3rYOjLrc21PccfLGzZcUBzEX1CZuw+YuyQ0xWnKof5wRTUjM43vDp4 N/ZLjeop0UV/IKchgAkeWPTMsWWHEKTjq/in08DKOSohkjXgCny8wsB0j0tywnHuG9 Qb3eUWM6aF3H+J2gGN2QfX7jOWDSyx/ax6tLYNx2RcV+PpNKUsn2EbhQsHhPR0coD2 YkTQx80CES31BgAW1lfdn8s77xGQCn/gFo/VTByC29CvKJfeoHMuk0qNBjIFkqPpzq 6hnAQ3EuEyYvvfnfM/PI/HCxaWAWFTpHXDjbesfeDQHDBZ0Wf9itBmt5fNyQfjmoCA TLlCdLA+Qs4Vg== 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 1/6] mm/damon/tests/core-kunit: test damon_commit_filter() Date: Wed, 29 Jul 2026 07:47:32 -0700 Message-ID: <20260729144738.90895-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260729144738.90895-1-sj@kernel.org> References: <20260729144738.90895-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 97298C000B X-Stat-Signature: ez7ijw3555rjzff9dxnb3wbun7hota5q X-Rspam-User: X-HE-Tag: 1785336464-735416 X-HE-Meta: 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 g77mqobt J4UkGJH+GM9ULUWMDOfjrCsjNcDFLEAZ1mhzvxUL5uYSI19vjw51xoEdqqgblFsgbKt7G5PLpBa4+/+usyje5pXaety774c4QwcWTpXeaRR6hSoHe3o85XnEYso6Ht7cocxVhoe1Qra/RSxqQsS2BGxq4LhFj1B0/TZMXaKa7WRJKB7rpH/OtCjqb2ySSMKQ9seUB1PdkZgtvwNVPOrcUcIBdB2vt/tegYv0bcckInWobPXJlYzNQvw/b4q1J54EsS5lgAmBokZfyGogHE7n3/rgHmw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add kunit test to ensure damon_commit_filter() updates destination filter as expected for valid inputs. Signed-off-by: SJ Park --- mm/damon/tests/core-kunit.h | 40 +++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index c7bda8aadef3f..ff864402e9c75 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -1354,6 +1354,45 @@ static void damon_test_commit_target_regions(struct kunit *test) (unsigned long[][2]) {{3, 8}, {8, 10}}, 2); } +static void damon_test_commit_filter_for(struct kunit *test, + struct damon_filter *dst, struct damon_filter *src) +{ + damon_commit_filter(dst, src); + KUNIT_EXPECT_EQ(test, dst->type, src->type); + KUNIT_EXPECT_EQ(test, dst->matching, src->matching); + KUNIT_EXPECT_EQ(test, dst->allow, src->allow); + switch (src->type) { + case DAMOS_FILTER_TYPE_MEMCG: + KUNIT_EXPECT_EQ(test, dst->memcg_id, src->memcg_id); + break; + default: + break; + } +} + +static void damon_test_commit_filter(struct kunit *test) +{ + struct damon_filter dst = { + .type = DAMON_FILTER_TYPE_ANON, + .matching = false, + .allow = false, + }; + + damon_test_commit_filter_for(test, &dst, + &(struct damon_filter){ + .type = DAMON_FILTER_TYPE_ANON, + .matching = true, + .allow = true, + }); + damon_test_commit_filter_for(test, &dst, + &(struct damon_filter){ + .type = DAMON_FILTER_TYPE_MEMCG, + .matching = false, + .allow = false, + .memcg_id = 123, + }); +} + static void damon_test_commit_ctx(struct kunit *test) { struct damon_ctx *src, *dst; @@ -1705,6 +1744,7 @@ static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damos_test_commit_pageout), KUNIT_CASE(damos_test_commit_migrate_hot), KUNIT_CASE(damon_test_commit_target_regions), + KUNIT_CASE(damon_test_commit_filter), KUNIT_CASE(damon_test_commit_ctx), KUNIT_CASE(damos_test_filter_out), KUNIT_CASE(damon_test_feed_loop_next_input), -- 2.47.3