On Thu, Dec 29, 2022 at 9:10 AM Lorenzo Stoakes <lstoakes@xxxxxxxxx> 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 ;)
