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bh=KnjoWKXYy9mV4JP4a4wfsis0KbFL9ZmPOgZcY5kWfCo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EgyR80sSVGZeqAZxZ92XTLPu7/ygW+YWlw9SJ+T3xdyG+MrPAYVWAuYYwIacpddeN ICh6gf/gejLtS8LofSIiOs75v5RelfALnKuSTdO+mg6SJaV32cPRkcd13FUyqBAxf/ Pv+s+G0edkJ9J5bb/2vAGl7ahKfGV0EtXZJYfZ4G9Pi66X+L5ufr7fg9IH4bLJmeaC sLkfJlOzM2CyPwilF+7Gzmp1lMdmfcu8sMtW3BX8gr/EQhZBx/8AZJ0Of6E2kq+Osq 1m/H436xwi8JcRP2gFLyszGHhqFdrIfWXlT/+J2DxX5dO9+dfm/MAlrQLDS1D3wMOo kaIsW99KfflpQ== 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 08/12] mm/damon/tests/core-kunit: test overlapping ranges for set_regions() Date: Tue, 1 Sep 2026 22:47:41 -0700 Message-ID: <20260902054747.99370-9-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-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 4CA75100002 X-Stat-Signature: iehar6kncxmrsfg87acord8uod4twmks X-HE-Tag: 1788328078-248961 X-HE-Meta: U2FsdGVkX19mEdpJKlSfSfRcO6fFCgFqRkmPZkeyXKMTQW3obvgtBmJzsu1F3lrFXxFQ82ZjW+QOlm+b5p0RpmOWq/LAlNJNfG7zRZio3YzIwUjAE/Cg/z1/uVuwAKOiQEahOSzJtr8x6h+BVfqUYYzImpfjG1MDk//siNSk9xEJfwx9gMuiU2prmoPlOEC/ZYM1QzW91pZfmMAop0Wfr7OxkK9HJye6YDt6WZXyTJaBp0jFHxrSC/J5bhUlKEXJzjBOUsYtsnsIZuZPVRsE7kW1MlJghUdLywdETPeZYEscGFScZfN8mAimHIT8D0Kv0VKMx62kKSOtrVJuGNyfJUa3P+UjPVmUj8BXHDmV4EUulGj53Wtp5rXDx9iVZ7lE/JvAOn0UVN1LGjebAROU4/K0EtnvXb9+dh4ANN9FF+fnNxvYkDzmERWwCnqvTJ0Q+EmeoC/f/qo9dbUS73iJga0E55uqbMIj4r5QbkXLB4Fl629XfYmFLBtNeSh8hdzeDuTcWyCSo1hU71EVe8tY7qa93kwzU+6JMHJVaY9JnuzeKfnQDqDKN7j/uIwE2/q2+ESnVWC4HwziF/TVOPXnhlnsuqgoOk3DxasdH3uMUUbyLORT2X7K4AMIG+BBlkXfJRO2jD4VbXYK9+L695/6Ay4GOzqKStdCLQYoNY+/Widaw/xc1vLi+4Pz/wJSTl01ZGSSXT//7HgabeFlAShQs6r5+VTnr6MovzEC1MIF9AFfZ+3gvbfbNIKhyr+GexBxxSPKjdlQSN/BcI/RRttetOShFlbc/kRr+QMn99FfLLtqab5sWTXwGLHsI/qmGcfp7xNtkZzPQ5VBoC37Q3KgFoQeO16KBCVFbYODFKbFThrHkOEFOoL81GlY5NY6oSaiBu6rdLgLpgbEjQZUuzbL6iSnI0RlVuyeL6zZIUO+2Ii9GEhmk55mUR0sCo/AcitWKjXRpZVT3Z3crkqTQxm v3raiRU/ zZxV6a507/nbwGqlzUlvjjNWH0SrnKq9wL/PbunIgGBxlkornqfVdUlGrkfgLGXEwosmrxyFAnH+RFdEji/HZTCvNQTCrWzHR9AOwf2IsPvyxBwHbksNoZgGe4vMe6qhdJIWU+ghtoc5YE3JAoA6i0M/3bIvLatkm8lLkhZvbyWrprGrFZ1VTo/7KKa8IVDGvuaO9wlYI6/DgjYilHkmXYGvvqjIO6icrLoPSahJ1tqXskiduyUtW4sqw58vrWou81nimrf40cCqaFiiCvKTJqWFQ3BKB+422PX3/ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Commit 954157679ec3 ("mm/damon/core: disallow overlapping input ranges for damon_set_regions()") disallowed passing overlapping input ranges to damon_set_regions(). Add a kunit test case for the overlapping input. Signed-off-by: SJ Park --- mm/damon/tests/core-kunit.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index 3cbbbcbfbef8f..a4164ac489a61 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -612,6 +612,17 @@ static void damon_test_set_regions(struct kunit *test) {.start = 42, .end = 21}, }, 1, 1, (struct damon_addr_range[]){}, 0, -EINVAL); + /* + * Regions resulting in same region after alignment should return + * -EINVAL. + */ + damon_test_set_regions_for(test, + (struct damon_addr_range[]){}, 0, + (struct damon_addr_range[]){ + {.start = 10, .end = 20}, + {.start = 20, .end = 30}, + }, 2, 4096, + (struct damon_addr_range[]){}, 0, -EINVAL); } static void damon_test_update_monitoring_result(struct kunit *test) -- 2.47.3