From: "Michal Koutný" <mkoutny@suse.com>
To: cgroups@vger.kernel.org, linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>,
Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>
Subject: [PATCH 2/3] docs: cgroup: Note about sibling relative reclaim protection
Date: Wed, 29 Jul 2020 16:05:36 +0200 [thread overview]
Message-ID: <20200729140537.13345-3-mkoutny@suse.com> (raw)
In-Reply-To: <20200729140537.13345-1-mkoutny@suse.com>
Signed-off-by: Michal Koutný <mkoutny@suse.com>
---
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
next prev parent reply other threads:[~2020-07-29 14:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-29 14:05 [PATCH 0/3] Memory reclaim documentation fixes Michal Koutný
2020-07-29 14:05 ` [PATCH 1/3] docs: cgroup: Explain reclaim protection target Michal Koutný
2020-07-29 14:05 ` Michal Koutný [this message]
2020-07-29 14:05 ` [PATCH 3/3] docs: cgroup: No special handling of unpopulated memcgs Michal Koutný
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