On Tue 07-06-16 13:20:00, Michal Hocko wrote: > I guess you want something like posix_memalign or start faulting in from > an aligned address to guarantee you will fault 2MB pages. Good catch. > Besides that I am really suspicious that this will be measurable at all. > I would just go and spin a patch assuming you are still able to trigger > OOM with the vanilla kernel. Yes, I am still able to trigger OOM, the tests I did are more like sanity checks rather than benchmarks. lru_cache_add takes very little time so it was rather to look for some unexpected side effects. Thank, Lukas -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href