Messages in this thread | | | From | Suren Baghdasaryan <> | Date | Thu, 29 Dec 2022 09:21:50 -0800 | Subject | Re: [QUESTION] about the maple tree and current status of mmap_lock scalability |
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On Thu, Dec 29, 2022 at 9:10 AM Lorenzo Stoakes <lstoakes@gmail.com> 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 ;)
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