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[149.14.88.26]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae35363a149sm1205694966b.9.2025.07.03.01.36.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Jul 2025 01:36:17 -0700 (PDT) Message-ID: <165faf55-4376-4fa8-9a9b-aefd00de6a66@redhat.com> Date: Thu, 3 Jul 2025 10:36:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 6/7] selftests/mm: Skip thuge-gen if shmmax is too small or no 1G huge pages To: Aboorva Devarajan , akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, shuah@kernel.org, pfalcato@suse.de, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, donettom@linux.ibm.com, ritesh.list@gmail.com References: <20250703060656.54345-1-aboorvad@linux.ibm.com> <20250703060656.54345-7-aboorvad@linux.ibm.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: iquymc7zn95c9u6m7radhmdthg63fugd X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 68DE11A000E X-Rspam-User: X-HE-Tag: 1751531782-730284 X-HE-Meta: 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 lweJ/AQS 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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: On 03.07.25 08:06, Aboorva Devarajan wrote: > Make thuge-gen skip instead of fail when it can't run due to system > settings. If shmmax is too small or no 1G huge pages are available, > the test now prints a warning and is marked as skipped. Maybe change the subject to "selftests/mm: Skip thuge-gen test if system is not setup properly" > > ------------------- > Before Patch: > ------------------- > ~ running ./thuge-gen > ~ Bail out! Please do echo 262144 > /proc/sys/kernel/shmmax > ~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 > ~ [FAIL] > not ok 28 thuge-gen ~ exit=1 > > ------------------- > After Patch: > ------------------- > ~ running ./thuge-gen > ~ ~ WARNING: shmmax is too small to run this test. > ~ ~ Please run the following command to increase shmmax: > ~ ~ echo 262144 > /proc/sys/kernel/shmmax > ~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value. > ~ [SKIP] > ok 29 thuge-gen ~ SKIP > Acked-by: David Hildenbrand -- Cheers, David / dhildenb