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[2003:d8:2f12:d400:ed3c:fb0c:1ec0:c628]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22e421a7dafsm27253065ad.69.2025.05.07.01.06.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 May 2025 01:06:03 -0700 (PDT) Message-ID: Date: Wed, 7 May 2025 10:05:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] MAINTAINERS: add mm GUP section To: Andrew Morton , Lorenzo Stoakes Cc: Jason Gunthorpe , John Hubbard , Peter Xu , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250506173601.97562-1-lorenzo.stoakes@oracle.com> <20250506162113.f8fa0c00e76722a1789ec56a@linux-foundation.org> 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: <20250506162113.f8fa0c00e76722a1789ec56a@linux-foundation.org> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: gP0HNug7aJEgsHoNr7P-98bhq-FDdxuX1GTaUeXy2x8_1746605164 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 4F1E820002 X-Stat-Signature: mx4s94qda7mqnssee6n7qt3gqw9htarj X-Rspam-User: X-HE-Tag: 1746605167-816764 X-HE-Meta: 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 uerlbdkd /ZPcrH3T+WpEDLLMerBlFNhO4aO9/YsepOMj3Ns9oHBc4FXNbtCSzicMztuZLyPRSl82fIXLb9uEOaADDRnKXme8KIgX9AnOrQ4kDRPaHvqCOA5HIUturROkKiKDd2+8Fv1kJ4EwhfEooTly9uI9ReEn7ckkXPURd97RpcTCfooaXBqtDII88j6gCurieoExGes1oSbthqhc97O+qE4Z/MNfHo/OK0XrgeuosU4go6kqrk9CRwLcGrTofvHyDnN1le5VbPBkRQCueDh6NEkYGUxUvCuFRcBXwWDHVnKLIEKwNrWLv4u6OX91KAYYY7Q08AEYahNboKXT1AHqU3drlXWcMpELce747TnfZQthwG+HcYYkBi6Hz4SvLHXIW5ADmHGgF3idIB4y6yTzxx0ZYoQ8iYTAj3OYXMmCBsYRuELJQwHCjYVN0FkqMTWW5u8jvsTDiNHN9fIT0qmk= 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 07.05.25 01:21, Andrew Morton wrote: > On Tue, 6 May 2025 18:36:01 +0100 Lorenzo Stoakes wrote: > >> As part of the ongoing efforts to sub-divide memory management >> maintainership and reviewership, establish a section for GUP (Get User >> Pages) support and add appropriate maintainers and reviewers. >> > > Thanks, I was wondering about that. Thanks Lorenzo for driving this! Acked-by: David Hildenbrand > > (looks at vmscan.c) Current maintainers (mm/unstable) on 20 biggest files in mm, Andrew is implicit: $ find mm -name "*.c" -type f | xargs wc -l | sort -n -r | head -20 198195 total 7937 mm/hugetlb.c # Muchun 7881 mm/slub.c # Christoph/David/Vlastimil 7745 mm/vmscan.c # 7424 mm/page_alloc.c # 7166 mm/memory.c # David 5962 mm/shmem.c # Hugh 5553 mm/memcontrol.c # Johannes/Roman/Shakeel 5245 mm/vmalloc.c # 4703 mm/huge_memory.c # David 4538 mm/filemap.c # Willy 3964 mm/swapfile.c # 3871 mm/ksm.c # 3720 mm/gup.c # David 3675 mm/mempolicy.c # 3371 mm/percpu.c # Dennis/Tejun/Christoph 3370 mm/compaction.c # 3197 mm/page-writeback.c # Willy 3097 mm/vma.c # Liam/Lorenzo 2988 mm/rmap.c # David/Lorenzo I've been messing with KSM for a long time, so I could easily jump in as maintainer for that. Probably we want page migration (incl. mempolicy?) as a separate entry. I've been messing with that as well (and will be messing more), so I could jump in for that as well. For page allocator stuff (incl. compaction) we at least have plenty of reviewers now. For vmalloc we at least have Uladzislau as single reviewer. vmscan.c and vmalloc.c really need some love. -- Cheers, David / dhildenb