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Howlett" , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20260627195630.24519-1-sj@kernel.org> <2vxzo6gtk89r.fsf@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 3F60C120006 X-Rspam-User: X-Stat-Signature: qoy9sdof4k3t39ukzzk5q443uqgjyz8h X-HE-Tag: 1782726309-219636 X-HE-Meta: U2FsdGVkX19Vuki22c+K/k7P3h6jtXgoL2Jv1/1daS4C2vBvTaM08dvQlK8lJP9tQSK88tQ6NiIw4iyRpKUvqmQGCneQCPqzhQwytovYQht/bY3xWlxPB1Bw/YVOX6xSGITT8C+iAYGVe019/8fHhAZ/IIyT4COQtlH79z7Ylw+jyL4onJjlwx/rKSOUq5QPdbqE5T6IG6D19ALkjjXhwd/T9n4BjQd5jgfi8z9Qn0C3DB4D0XYKT3lK37c/s4h2cD7T5umnxzJ2IEfKdooXt1qThKIU7XfwChIz0QN9ITQUtuNXBw/a2cQCvb22AVmYPaTXFW3bD2dYlzFlWnGCEThQ7s3lR2hNpg90vOBnOJQuLZR/BrQalBJUTb8Ta2XakcWL5UcVbNy88MtzOA3lHeF+gwfXLNdsynVdQIanWwyWH4oDGhAHh1LzsGj1Gx0lcU3um+jNyMeUwb15Tp5EFSecNgREikFBCoutbOqQBI0seiVPIIA0NjUeygmyADTHKeXVmQTRIDkkSSXRtNHZKdPnbV5+v+GOsuOftYgi5OxUfbOlADv8RsahOP+sXD1bF6kqjtqndrN1Tqf2s+PVlnkI+7ap5ykr/q+9gz5BZgciyyU3yCK2W6XnQN/pYOAyOapW+njqQ8nWiwJjtbYzFJyYx+wNkdCLIPoFrLZqQxIzih2q2PoEFOnRLCL+SyhObFbcPhgDUKGllI6YFqOfuQE3PugPquIgt983M8wdtKlQaG3omUBtdmCJTylLYXFtWVcB/p95c7AFRZkLgVguTFARtch0nop27eJLk+w9GEU4U0tOkF72F7WaVxMlbomoJniyZeqYV1BRO9D7xlFpaCSdKy0ocK0vrzg/8WnZL2J0JQg+tgqQ6vWNAY7k4OQdGM8v9M6cfrv9njktpuxxALCfFgIlKb2SGV286B7k8hgWoeCYll2vsccCBn0ck34cE+xcU9JYqlw1kDcFxhn INqG6kDk vJ28NIF8M0cdLt61MpooVJBsAPkoS++KRelsU5zk7BO+SIv/X1EX+fscJbxII7NoYrBD/vuri0OYm4O40KbpsHBGWtSNGZON7xidn+dQp8UWq2Dw8ZP0fbItG87qQ1RaSE4ezjj6bgMJ6tFzFXLXvNzufSE4Wr2SsDhXJcLQOJbHEnVpzJczsfBoeEYAGLoGgR0g2l35gjgL27OmBhGxqmyyl3HNNoH1XQo3OR5JKLN81y98834ZjHTJkUuaAfK7j4m5vepxstNxXtxg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 6/29/26 11:37, Lorenzo Stoakes wrote: > On Mon, Jun 29, 2026 at 11:25:52AM +0200, Pratyush Yadav wrote: >> On Mon, Jun 29 2026, David Hildenbrand (Arm) wrote: >> >>> >>> [...] >>> >>> >>> Just curious, why do you drop the author and copyright information? (can you >>> even drop the Amazon copyright note?) >> >> Off topic, but I am curious how these copyright notices are supposed to >> work in the first place. From what I have seen, the person who creates >> the file normally adds one for themselves/their employer. But then other >> contributors who make small/medium changes don't add theirs, even though >> they should hold the copyright for the code they added. Bigger refactors>> sometimes add a notice but that isn't done consistently either. Yes, I saw it on bigger stuff as well, but not on small stuff, really. >> >> So do these notices even hold any value? They certainly don't list all >> the entities who hold the copyright to the code in the file. Only git >> log can tell you that. Is there even any point in adding them? > > It strikes me as a rather loose convention. > > I am not a lawyer, but I would say that individual and corporate ownership of > code are implied by S-o-b, not by comments in files. Guess it gets interesting once the SOB does not carry that information. Also, some people might work at company X (and send code from company mail address) but may hold all copyright by themselves. So even the git log cannot tell that story. But in any case, I would expect a comment about that in the patch description :) -- Cheers, David