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(p200300d82f022900f54fbad7c5f49404.dip0.t-ipconnect.de. [2003:d8:2f02:2900:f54f:bad7:c5f4:9404]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae9777absm14061485f8f.46.2025.04.15.06.25.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Apr 2025 06:25:10 -0700 (PDT) Message-ID: <00ab4959-4fc3-4e2a-90aa-25a009b8fea8@redhat.com> Date: Tue, 15 Apr 2025 15:25:09 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] MAINTAINERS: add section for locking of mm's and VMAs To: Lorenzo Stoakes , Andrew Morton Cc: Suren Baghdasaryan , "Liam R . Howlett" , Vlastimil Babka , Matthew Wilcox , "Paul E . McKenney" , SeongJae Park , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <0722c3fe0cb4c1e54ce01c7689ce4615ecc87e16.1744720574.git.lorenzo.stoakes@oracle.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: <0722c3fe0cb4c1e54ce01c7689ce4615ecc87e16.1744720574.git.lorenzo.stoakes@oracle.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: XYX-GSLTc0b0F3YZxQhECYV6aK8axKC-K5EEuQcm4-k_1744723512 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: f8mwmwcmqw3cxj8i6teduwshorst1s3j X-Rspamd-Queue-Id: 6E4E914000A X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1744723515-895187 X-HE-Meta: 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 gQFCrGHb 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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 15.04.25 15:10, Lorenzo Stoakes wrote: > We place this under memory mapping as related to memory mapping > abstractions in the form of mm_struct and vm_area_struct (VMA). Now we have > separated out mmap/vma locking logic into the mmap_lock.c and mmap_lock.h > files, so this should encapsulate the majority of the mm locking logic in > the kernel. > > Suren is best placed to maintain this logic as the core architect of VMA > locking as a whole. > > Signed-off-by: Lorenzo Stoakes > --- > MAINTAINERS | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 8d834514a047..ce55676a16a4 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -15595,6 +15595,21 @@ F: mm/vma_internal.h > F: tools/testing/selftests/mm/merge.c > F: tools/testing/vma/ > > +MEMORY MAPPING - LOCKING > +M: Andrew Morton > +M: Suren Baghdasaryan > +R: Liam R. Howlett > +R: Lorenzo Stoakes > +R: Vlastimil Babka > +L: linux-mm@kvack.org > +S: Maintained > +W: http://www.linux-mm.org > +T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > +F: Documentation/mm/process_addrs.rst > +F: include/linux/mmap_lock.h > +F: include/trace/events/mmap_lock.h > +F: mm/mmap_lock.c > + > MEMORY MAPPING - MADVISE (MEMORY ADVICE) > M: Andrew Morton > M: Liam R. Howlett Sounds like a good idea to me Acked-by: David Hildenbrand -- Cheers, David / dhildenb