On 11/1/24 12:29, Manwaring, Derek wrote: > As far as performance, are you talking about just the fracturing or > something beyond that? The data Mike brought to LSFMMBPF 2023 showed the > perf impact from direct map fragmentation for memfd_secret isn't "that > bad" [1]. Just the fracturing. Mike's data are interesting, but I still think we're pretty far away from saying that the kernel doesn't need large mappings.