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-rw-r--r--Documentation/admin-guide/cgroup-v2.rst18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 1746131bc9cb..184193bcb262 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1072,6 +1072,24 @@ PAGE_SIZE multiple when read back.
high limit is used and monitored properly, this limit's
utility is limited to providing the final safety net.
+ memory.oom.group
+ A read-write single value file which exists on non-root
+ cgroups. The default value is "0".
+
+ Determines whether the cgroup should be treated as
+ an indivisible workload by the OOM killer. If set,
+ all tasks belonging to the cgroup or to its descendants
+ (if the memory cgroup is not a leaf cgroup) are killed
+ together or not at all. This can be used to avoid
+ partial kills to guarantee workload integrity.
+
+ Tasks with the OOM protection (oom_score_adj set to -1000)
+ are treated as an exception and are never killed.
+
+ If the OOM killer is invoked in a cgroup, it's not going
+ to kill any tasks outside of this cgroup, regardless
+ memory.oom.group values of ancestor cgroups.
+
memory.events
A read-only flat-keyed file which exists on non-root cgroups.
The following entries are defined. Unless specified