From: Michal Koutný Date: Fri, 14 Nov 2025 18:21:26 +0000 (+0100) Subject: docs: cgroup: Note about sibling relative reclaim protection X-Git-Tag: v6.19-rc1~178^2~4 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3755c11679d4f826e35d7a565ff366b8f64684c1;p=thirdparty%2Fkernel%2Flinux.git docs: cgroup: Note about sibling relative reclaim protection Signed-off-by: Michal Koutný Signed-off-by: Tejun Heo --- 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 ~~~~~~~~~~~~~~~~