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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3c70ef55aabsm15821870f8f.23.2025.08.26.06.14.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Aug 2025 06:14:49 -0700 (PDT) Message-ID: Date: Tue, 26 Aug 2025 15:14:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/10] mm: replace mm->flags with bitmap entirely and set to 64 bits To: Lorenzo Stoakes , Andrew Morton Cc: Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , "David S . Miller" , Andreas Larsson , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Zi Yan , Baolin Wang , "Liam R . Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Xu Xin , Chengming Zhou , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , David Rientjes , Shakeel Butt , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Masami Hiramatsu , Oleg Nesterov , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Jason Gunthorpe , John Hubbard , Peter Xu , Jann Horn , Pedro Falcato , Matthew Wilcox , Mateusz Guzik , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org References: 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 ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZoEEwEIAEQCGwMCF4ACGQEFCwkIBwICIgIG FQoJCAsCBBYCAwECHgcWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaJzangUJJlgIpAAKCRBN 3hD3AP+DWhAxD/9wcL0A+2rtaAmutaKTfxhTP0b4AAp1r/eLxjrbfbCCmh4pqzBhmSX/4z11 opn2KqcOsueRF1t2ENLOWzQu3Roiny2HOU7DajqB4dm1BVMaXQya5ae2ghzlJN9SIoopTWlR 0Af3hPj5E2PYvQhlcqeoehKlBo9rROJv/rjmr2x0yOM8qeTroH/ZzNlCtJ56AsE6Tvl+r7cW 3x7/Jq5WvWeudKrhFh7/yQ7eRvHCjd9bBrZTlgAfiHmX9AnCCPRPpNGNedV9Yty2Jnxhfmbv Pw37LA/jef8zlCDyUh2KCU1xVEOWqg15o1RtTyGV1nXV2O/mfuQJud5vIgzBvHhypc3p6VZJ lEf8YmT+Ol5P7SfCs5/uGdWUYQEMqOlg6w9R4Pe8d+mk8KGvfE9/zTwGg0nRgKqlQXrWRERv cuEwQbridlPAoQHrFWtwpgYMXx2TaZ3sihcIPo9uU5eBs0rf4mOERY75SK+Ekayv2ucTfjxr Kf014py2aoRJHuvy85ee/zIyLmve5hngZTTe3Wg3TInT9UTFzTPhItam6dZ1xqdTGHZYGU0O otRHcwLGt470grdiob6PfVTXoHlBvkWRadMhSuG4RORCDpq89vu5QralFNIf3EysNohoFy2A LYg2/D53xbU/aa4DDzBb5b1Rkg/udO1gZocVQWrDh6I2K3+cCs7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: Wc3LYoboDW4KSquff9Tjg5DU8hqDUw1kpub9XhXtBd8_1756214090 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 6668DC0005 X-Stat-Signature: 3gna7j7bicbm8qranx1yr4qetw89u8pm X-HE-Tag: 1756214095-796864 X-HE-Meta: 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 fpWpEwqO wbwL80s4faQfcWj1wDA0rGR9Jxqr4FYtKlg6y6QUYQiPCbnEbYsnzTsjPC7Sn3uUmNTYYGw/V2hJrpWs8c5DcdtbYGAIYONwIacdREykx3mbwqpN8mvtSEgXxed6TceVUrscH+l8XjBX7s0y95+wkl50J9Hbx3yIsrCva9U8VGiGV2d1LJGpW+7dJAIZYUDCdRqZsh+fD5LhpAotX+p1nluvH6+i432RAJMLeQSGI5tWGqZ+qnP4IJPKZH4EUmreZJkEt9gC1NkfV2gBu7UA9vfeJYS9PprK6K1qXozN5HetFhIjwcmO9kxM+tCHZkjIRBP8MFplqP+aPbC5UXshaAW0CMdRA/WEM/wPO2ztx9G0CHCsBPsWLjItZA+OZiIsEM/LRNgSbqu5zZxSHiqlTMpXtPg== 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 12.08.25 17:44, Lorenzo Stoakes wrote: > Now we have updated all users of mm->flags to use the bitmap accessors, > repalce it with the bitmap version entirely. > > We are then able to move to having 64 bits of mm->flags on both 32-bit and > 64-bit architectures. > > We also update the VMA userland tests to ensure that everything remains > functional there. > > No functional changes intended, other than there now being 64 bits of > available mm_struct flags. > > Signed-off-by: Lorenzo Stoakes > --- > include/linux/mm.h | 12 ++++++------ > include/linux/mm_types.h | 14 +++++--------- > include/linux/sched/coredump.h | 2 +- > tools/testing/vma/vma_internal.h | 19 +++++++++++++++++-- > 4 files changed, 29 insertions(+), 18 deletions(-) The vma test code duplication is still making me sad ... but I'll get over it I'm sure. Acked-by: David Hildenbrand -- Cheers David / dhildenb