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b=QlBh8+WjuF2tUrcxK9t8i6OKujglfGERH1zT9Ygc6ORXDetBsjv9UkXIFPqat4qQ/ XxncyUXVP54V9k1BE3y8dWajPTkMQFkwKuk0ZuKXnC2dI9HngItnFELEAuGjITSNDl MQ/nOi7ad3OeZoVC6LjxAp3qr17gxsqPNEPcudfcbphgNtcisXwHuWLbuun77C0usV pUWFJavZyMgYMZRK7/wFPzocZGYf6PR/6ryvRh9lvs2ab+TDN0FGpXL9BFcxICOmWn f3SpQgIuEPObRLv1sQhlxhrxZ/lwGw4P00nBuBC/e5tlMazAXyQWveSIgGeRpk3lp9 H049qrbpP/sPQ== 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 1/6] mm/damon/tests/core-kunit: test damon_commit_filter() Date: Wed, 2 Sep 2026 07:03:07 -0700 Message-ID: <20260902140313.85983-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260902140313.85983-1-sj@kernel.org> References: <20260902140313.85983-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 04957A0006 X-Stat-Signature: bbficy61uuz9ja77ftd9sueummikxt3q X-Rspam-User: X-HE-Tag: 1788357818-66245 X-HE-Meta: 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 84IAshtG 84iYmW4X0fcBjWjDrUZSrCQ1Z+As3GxpacLVBaiie6O5QZkpMbgA2kD87A1NIhXdzPjj1IEkDx4vQliMQ+lx/d0hvRTZrNfwxYp2E6FGuaxAHCLBLphE9FyUnOzGk7ZAXucIwXot+MfZS75lYBmXNuvD51omrQL8JQ3P9m3t8G9+xxuCxEW9zurLKm3S0y5QG9c1YSP5I8FCT/FMJCBd3tn1mK7Oi2U+u5z/bQxBByz9H3Xiw+naeBuSCxrfwp4+uawFzB52g996bHJcZewK88pvN2Q== 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 d0bed01a5b7fe..c2ddef3c76d35 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -1364,6 +1364,45 @@ 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 DAMON_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; @@ -1771,6 +1810,7 @@ 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(damon_test_valid_probe_params), KUNIT_CASE(damos_test_filter_out), -- 2.47.3