From 3755c11679d4f826e35d7a565ff366b8f64684c1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michal=20Koutn=C3=BD?= Date: Fri, 14 Nov 2025 19:21:26 +0100 Subject: [PATCH] docs: cgroup: Note about sibling relative reclaim protection MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Michal Koutný Signed-off-by: Tejun Heo --- 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 97a9f8a046c5f..e0a659474fa47 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1952,6 +1952,10 @@ When the reclaim 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 ~~~~~~~~~~~~~~~~ -- 2.47.3