[PATCH 2/3] docs: cgroup: Note about sibling relative reclaim protection

From: Michal KoutnÃ
Date: Wed Jul 29 2020 - 10:05:56 EST


Signed-off-by: Michal Koutnà <mkoutny@xxxxxxxx>
---
Documentation/admin-guide/cgroup-v2.rst | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 94bdff4f9e09..47f9f056e66f 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1467,6 +1467,10 @@ targets ancestors of A, the effective protection of B is capped by the
protection value configured for A (and any other intermediate ancestors between
A and the target).

+To express indifference about relative sibling protection, it is suggested to
+use memory_recursiveprot. Configuring all descendants of a parent with finite
+protection to "max" works but it may unnecessarily skew memory.events:low
+field.

Memory Ownership
~~~~~~~~~~~~~~~~
--
2.27.0