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(p200300cbc72f03001ec7296288890ef6.dip0.t-ipconnect.de. [2003:cb:c72f:300:1ec7:2962:8889:ef6]) by smtp.gmail.com with ESMTPSA id b18-20020a05600c4e1200b0040c08567bbfsm10219280wmq.17.2023.12.05.09.03.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Dec 2023 09:03:14 -0800 (PST) Message-ID: <595f8ac8-01af-4808-b2b0-5688e590301a@redhat.com> Date: Tue, 5 Dec 2023 18:03:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 06/10] selftests/mm: Factor out thp settings management To: Ryan Roberts , Andrew Morton , Matthew Wilcox , Yin Fengwei , Yu Zhao , Catalin Marinas , Anshuman Khandual , Yang Shi , "Huang, Ying" , Zi Yan , Luis Chamberlain , Itaru Kitayama , "Kirill A. Shutemov" , John Hubbard , David Rientjes , Vlastimil Babka , Hugh Dickins , Kefeng Wang , Barry Song <21cnbao@gmail.com>, Alistair Popple Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20231204102027.57185-1-ryan.roberts@arm.com> <20231204102027.57185-7-ryan.roberts@arm.com> 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: <20231204102027.57185-7-ryan.roberts@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: B33F340034 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: bwjuc7cq1jp6syr5ao5juu53yf1hg97m X-HE-Tag: 1701795799-775787 X-HE-Meta: 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 W5yu1Pgm 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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 04.12.23 11:20, Ryan Roberts wrote: > The khugepaged test has a useful framework for save/restore/pop/push of > all thp settings via the sysfs interface. This will be useful to > explicitly control multi-size THP settings in other tests, so let's > move it out of khugepaged and into its own thp_settings.[c|h] utility. > > Tested-by: Alistair Popple > Signed-off-by: Ryan Roberts > --- [...] Looks handy Acked-by: David Hildenbrand -- Cheers, David / dhildenb