On Fri 01-12-17 17:01:49, Roman Gushchin wrote: [...] > diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt > index c80a147f94b7..ff8e92db636d 100644 > --- a/Documentation/cgroup-v2.txt > +++ b/Documentation/cgroup-v2.txt > @@ -1049,6 +1049,9 @@ PAGE_SIZE multiple when read back. > and will never kill the unkillable task, even if memory.oom_group > is set. > > + If cgroup-aware OOM killer is not enabled, ENOTSUPP error > + is returned on attempt to access the file. > + > memory.events > A read-only flat-keyed file which exists on non-root cgroups. > The following entries are defined. Unless specified > @@ -1258,6 +1261,12 @@ OOM Killer > Cgroup v2 memory controller implements a cgroup-aware OOM killer. > It means that it treats cgroups as first class OOM entities. > > +Cgroup-aware OOM logic is turned off by default and requires > +passing the "groupoom" option on mounting cgroupfs. It can also > +by remounting cgroupfs with the following command:: > + > + # mount -o remount,groupoom $MOUNT_POINT > + > Under OOM conditions the memory controller tries to make the best > choice of a victim, looking for a memory cgroup with the largest > memory footprint, considering leaf cgroups and cgroups with the Looks good to me Thanks! -- 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>
