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[2003:cb:c738:3100:8133:26cf:7877:94aa]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-436e9d8fc81sm183799285e9.5.2025.01.14.08.49.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jan 2025 08:49:30 -0800 (PST) Message-ID: <1ac24517-6f7b-4923-836f-2b4284a46a41@redhat.com> Date: Tue, 14 Jan 2025 17:49:29 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/4] selftests/mm: virtual_address_range: Reduce memory usage and avoid VM_IO access To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Andrew Morton , Shuah Khan , Dev Jain , Thomas Gleixner , Anshuman Khandual Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kernel test robot References: <20250114-virtual_address_range-tests-v4-0-6fd7269934a5@linutronix.de> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250114-virtual_address_range-tests-v4-0-6fd7269934a5@linutronix.de> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: O2un8pNDZlmsTGVhMsWKdjPmAhJBYQNULMC6haCuC8U_1736873371 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 092034000E X-Rspam-User: X-Stat-Signature: uyqkyeerps1o8mdpmscp1odoqa4ysfcu X-HE-Tag: 1736873373-172137 X-HE-Meta: U2FsdGVkX1+nrOHOYC9iIEcw3hoyFmPaxSZ8r+eWqn7PPour2ERmozb6QhV4+J1vlrVzv95FF6Suhba3gg1hbknnwCF4eP92+lPkfGXLk/KkhQ4tFbK1RDOP4hfKlKtyGaqH4Z+9510IfIThaoQPTmz4rMjlrD3U/wm2I0djTeHRibTceReGQZhL1iff18Dx81gp8NeqMDfnIPLX8vxa4D3DHqNdAh1/AusybHqOqSAg5oliigR5Kwc8YANJjAtUE5yi1NxMmDnnc9T9D6THFrL4NCDiu4VWgXsNJbWP7D0+HaeoLdmiZyCKpFTQnwJf0fk4kZ046k28uICT/geK47sGudJHIj3wSuCUbjh7b6k/GLrMXLOtzuXvejvPCbgi9gnRlvAoGCZY4czKIgSf9htG+2sX2v61FLLetWbNVznUWO5JlYZHY+2CBo50ZhhXDOTfLbNmsdecdELaU1fqiVTLHPMf8Bj9WkxYrVLm75y3lM1jHoFI0cT9Gok33GLKn2iPLkcf5g8xDDMgnQ9nvbiu0oTeoUqzoC/s2ynQXykd0vJfQ3ps1nFCDxhGMFGzA76SYQmu8UJv6efW2cyiZcKcg2Ksb3nXEBYK9G51mHA7GMS1QgXhlpXCsdoZwrBjOgZlaOwoyY5Mri4Iex9HmVcbiii+Ke4kMyhf35MXJGjw914QAL9kCwhA+H5r4W0Tia3o8HHFH4uOrOvkCdogu6kaJgn7hJTQu9yrRwm2fx3T+LamIMXdhzukzDwjsTpJtzcN+/TFn5N3jrfT1xbV7c4XOMKNnzhlixrFiUCXNtUuJn3wuJLbv852k14vBowBagazRcIgq4RgCwIFKjerB7kDjbWq1qNmvaTU8vhAJsHENT1/UuFy+I+sw4Za3cIvtSMj170nxmnBYW7RbowouqBPpvgepapqAYLWPC2sA3XWTjUnCTzubXSno2VHkzZgaiXu6XcUMaC3T+WxzsT Uaa3LTgj 6FRVhA3OlPIgVDsN+SLXBTPS3MSwrKCmu+NEPDsFKWDQho6CpAg70SONeq4j+87dCyxskYnRjYtMR1wJQljey1EkxghaTINyX5YTvgFYxlWKB4Vu/rmO1hzKe4PI5ezMA4wiZX0kkv6MI3R75pU4ECpkMRLemcaEKMZX6qMexhIxNzpBhafEVndkPgWFBF2ti/EmtS8wcLZbM/izQzt1iwrLdJ1l9l6eRuRJ8xMdfTUsG3MY6CHEU+4NeTOOsVmdzMq81MH6nhCKYOx4WnBpusjD/iTX9Ym3dGjkFwH8B23TZlKu1W2+eLI4EPo+wsTYNr33TE7sJIdeIlgzSgPQiswVupwyYufawE+/bF3gaBec330eOhNNcKFjIkZTSJORfneUm5hfG8Gd0hC3LCNAEJ2uqmBhLHDh9BysFGLG5i+VbKNbYeB0mhuoJh/dSEVixSI8JjNKFphaJGZ1wJJWOLPY3AQ== 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 14.01.25 17:06, Thomas Weißschuh wrote: > The selftest started failing since commit e93d2521b27f > ("x86/vdso: Split virtual clock pages into dedicated mapping") > was merged. While debugging I stumbled upon some memory usage > optimizations. > > With these test now runs on a VM with only 60MiB of memory. 60 MiB ? Crazy :) -- Cheers, David / dhildenb