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Wed, 07 Jan 2026 18:12:50 -0800 (PST) Received: from localhost.localdomain ([2607:f130:0:11a::31]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b17052dbc7sm7933292eec.0.2026.01.07.18.12.46 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 07 Jan 2026 18:12:50 -0800 (PST) From: wang lian To: kevin.brodsky@arm.com Cc: Usama.Anjum@arm.com, akpm@linux-foundation.org, broonie@kernel.org, david@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, ryan.roberts@arm.com, shuah@kernel.org, wang lian Subject: Re: [PATCH v2 7/8] selftests/mm: fix exit code in pagemap_ioctl Date: Thu, 8 Jan 2026 10:12:37 +0800 Message-ID: <20260108021238.46605-1-lianux.mm@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260107164842.3289559-8-kevin.brodsky@arm.com> References: <20260107164842.3289559-8-kevin.brodsky@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: A841D1A0006 X-Stat-Signature: eckitq14bksmyh9k7hjm4nqedt3hptoy X-Rspam-User: X-HE-Tag: 1767838371-983245 X-HE-Meta: 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 fvcLYK0h 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Make sure pagemap_ioctl exits with an appropriate value: > > * If the tests are run, call ksft_finished() to report the right > status instead of reporting PASS unconditionally. > > * Report SKIP if userfaultfd isn't available (in line with other > tests) > > * Report FAIL if we failed to open /proc/self/pagemap, as this file > has been added a long time ago and doesn't depend on any CONFIG > option (returning -EINVAL from main() is meaningless) > > Cc: Usama Anjum > Reviewed-by: Ryan Roberts > Reviewed-by: Mark Brown > Acked-by: David Hildenbrand (Red Hat) > Signed-off-by: Kevin Brodsky Reviewed-by: wang lian -- Best Regards, wang lian