On Wed 11-01-23 08:28:49, Suren Baghdasaryan wrote: [...] > Anyhow. Sounds like the overhead of the current design is small enough > to remove CONFIG_PER_VMA_LOCK and let it depend only on architecture > support? Yes. Further optimizations can be done on top. Let's not over optimize at this stage. -- Michal Hocko SUSE Labs