On Thu 14-05-15 14:01:42, Cyril Hrubis wrote: > Hi! > > > The previous testcases does exactly this but moves the process to the > > > parent with: > > > > > > echo $pid > ../tasks > > > > > > Before it tries the force_empty and expects it to succeed. > > > > > > Was this some old implementation limitation that has been lifted > > > meanwhile? > > > > OK, now I remember... f61c42a7d911 ("memcg: remove tasks/children test > > from mem_cgroup_force_empty()") which goes back to 3.16. So the test > > case is invalid. > > Then please send a patch to remove the test. I think we can still fix both tescases and expect not to fail with regular mmap but fail it with unreclaimable memory (e.g. disallow swapout or use mlock). -- Michal Hocko SUSE Labs -- 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=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>