On Tue, Apr 4, 2023 at 8:23 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Tue, Apr 04, 2023 at 02:58:50PM +0100, Matthew Wilcox (Oracle) wrote: > > The map_pages fs method should be safe to run under the VMA lock instead > > of the mmap lock. This should have a measurable reduction in contention > > on the mmap lock. > > https://github.com/antonblanchard/will-it-scale/pull/37/files should > be a good microbenchmark to report numbers from. Obviously real-world > benchmarks will be more compelling. The series looks sane to me. I'll run some tests on a NUMA machine to see if anything breaks. Thanks!