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b=L32xS16gl5H8aHk6bLRU9WdpO7TPRkz+GTjha1vrvtR9K5BNc+kPUunqC97DMcOCN tDc/0IuxFCvs85CvDeUFFtItdH9DqDTpe4pX7uckIF2xkZvZ6ik444VAC7dtsZRRry xR8yoV9F0uSJDJ9cV+yFXtd7TerdfmXxdzWlWxRSH3DdjZ/Qk10Z/CkacxNuG8Z1ge 3oNLzKibaR3c+roA1iAAYgJnXprrvF019Mo5nqKrw+a4JiQCP+E9Qd8trLmO5QAdhg wwUMwn61ldeWU69BW6FZ9dzAg0qP02GQiGKUhj+Bl2MieGdpBNe6tayp6TcZrJfvvr mHCcCdJ0dTFtg== From: SeongJae Park To: AnishMulay Cc: SeongJae Park , akpm@linux-foundation.org, david@kernel.org, shuah@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] selftests/mm: skip migration tests if NUMA is unavailable Date: Wed, 18 Feb 2026 17:04:03 -0800 Message-ID: <20260219010404.2939-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260218163941.13499-1-anishm7030@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Stat-Signature: 13gpscyf13nz5tas43w65webxse15jma X-Rspamd-Queue-Id: A5EE510000C X-Rspam-User: X-HE-Tag: 1771463048-430431 X-HE-Meta: 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 gX3wtLUB yIvTIYNyYiE/gwuF7gL/Ml4sCtUQSpub5n5vpLaVLXoKsm7Aqx8SUVqYr1Kwp/7THWrMTIRHmtha4XxSWVxkRwJLHgrIU0vINvlfVxP53SPb+bX2ICERdLKzyKCIvp/cJ31P1Ty1po9hsngRg2V73p7/dFntQ3ZIfbIkebhuN72+Z2aYm4CoQdZqEl9yu4xhvKefPJbxx3rirt8nbpDHRJtcspiXPBVSIpd2+1DLfgDVcdTWlh6vlaOyvOvjjHsRBOqkT 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: On Wed, 18 Feb 2026 11:39:41 -0500 AnishMulay wrote: > Currently, the migration test asserts that numa_available() returns 0. > On systems where NUMA is not available (returning -1), such as certain > ARM64 configurations or single-node systems, this assertion fails and > crashes the test. > > Update the test to check the return value of numa_available(). If it > is less than 0, skip the test gracefully instead of failing. > > This aligns the behavior with other MM selftests (like rmap) that > skip when NUMA support is missing. > > Signed-off-by: AnishMulay Reviewed-by: SeongJae Park Thanks, SJ [...]