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-rw-r--r--Documentation/admin-guide/cgroup-v2.rst15
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 88e746074252..a5c845338d6d 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -177,6 +177,15 @@ cgroup v2 currently supports the following mount options.
ignored on non-init namespace mounts. Please refer to the
Delegation section for details.
+ memory_localevents
+
+ Only populate memory.events with data for the current cgroup,
+ and not any subtrees. This is legacy behaviour, the default
+ behaviour without this option is to include subtree counts.
+ This option is system wide and can only be set on mount or
+ modified through remount from the init namespace. The mount
+ option is ignored on non-init namespace mounts.
+
Organizing Processes and Threads
--------------------------------
@@ -696,6 +705,12 @@ Conventions
informational files on the root cgroup which end up showing global
information available elsewhere shouldn't exist.
+- The default time unit is microseconds. If a different unit is ever
+ used, an explicit unit suffix must be present.
+
+- A parts-per quantity should use a percentage decimal with at least
+ two digit fractional part - e.g. 13.40.
+
- If a controller implements weight based resource distribution, its
interface file should be named "weight" and have the range [1,
10000] with 100 as the default. The values are chosen to allow