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charset="UTF-8" X-Rspamd-Queue-Id: C1F71C0010 X-Stat-Signature: xfbf8sk7d8cqy1ayh1aih3385cjqhtor X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1672334522-911551 X-HE-Meta: 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 D3Xs8K8j fEgjLXRuBXVhlr0fhAhV7IBEYj1isI9opDCb3 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000079, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Dec 29, 2022 at 9:10 AM Lorenzo Stoakes wrote: > > On Thu, Dec 29, 2022 at 04:51:37PM +0000, Matthew Wilcox wrote: > > The mmap_lock is taken for many, many things. [snip] > > I am currently describing the use of this lock (for 6.0) in the book and it is > striking just how broadly it's used. I'm diagramming it out for 'core' users, > i.e. non-driver and non-some other things, but even constraining that leaves a > HUGE number of users. I've also documented the 'unexpected' uses of the > page_table_lock, which seems to have been significantly improved over time but > still a few cases remain! > > Am happy to give you (+ anybody else on MAINTAINERS list) an early copy of the > relevant bit (once I've finished the diagrams anyway) if that'd be helpful! Yes please, that would be interesting. > > Now if you guys could stop obsoleting my work that'd be great ;)