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Sun, 08 Mar 2026 19:34:46 -0700 (PDT) From: wang lian To: sj@kernel.org Cc: akpm@linux-foundation.org, brendan.higgins@linux.dev, damon@lists.linux.dev, davidgow@google.com, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, wang lian Subject: Re: [PATCH 2/7] mm/damon/tests/core-kunit: add a test for damon_is_last_region() Date: Mon, 9 Mar 2026 10:34:06 +0800 Message-ID: <20260309023406.9784-1-lianux.mm@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260307195356.203753-3-sj@kernel.org> References: <20260307195356.203753-3-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > There was a bug [1] in damon_is_last_region(). Add a kunit test to not > reintroduce the bug. > [1] https://lore.kernel.org/20260114152049.99727-1-sj@kernel.org/ > Signed-off-by: SeongJae Park Hi SeongJae, I've been following the previous discussion regarding the bug in damon_is_last_region() where the arguments of list_is_last() were accidentally swapped. I have verified this patch by running the KUnit tests on my arm64 native environment. The damon_test_is_last_region test case passed as expected, confirming that the fix is robust and the regression is effectively prevented. Tested-by: wang lian Reviewed-by: wang lian -- Best Regards, wang lian