linux-kernel - [PATCH v4 3/3] docs/cgroup: add entry for misc.events

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Message-Id: <41b702e0e9ae88b5806f4253ed30e2f2c8e70776.1631881726.git.brookxu@tencent.com>
Date:   Fri, 17 Sep 2021 20:44:16 +0800
From:   brookxu <brookxu.cn@...il.com>
To:     tj@...nel.org, lizefan.x@...edance.com, hannes@...xchg.org
Cc:     vipinsh@...gle.com, mkoutny@...e.com, corbet@....net,
        linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: [PATCH v4 3/3] docs/cgroup: add entry for misc.events

From: Chunguang Xu <brookxu@...cent.com>

Added descriptions of misc.events.

Signed-off-by: Chunguang Xu <brookxu@...cent.com>
Reviewed-by: Michal Koutný <mkoutny@...e.com>
---
 Documentation/admin-guide/cgroup-v2.rst | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index babbe04..e7acc55 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -2310,6 +2310,16 @@ Miscellaneous controller provides 3 interface files. If two misc resources (res_
         Limits can be set higher than the capacity value in the misc.capacity
         file.
 
+  misc.events
+	A read-only flat-keyed file which exists on non-root cgroups. The
+	following entries are defined. Unless specified otherwise, a value
+	change in this file generates a file modified event. All fields in
+	this file are hierarchical.
+
+	  max
+		The number of times the cgroup's resource usage was
+		about to go over the max boundary.
+
 Migration and Ownership
 ~~~~~~~~~~~~~~~~~~~~~~~
 
-- 
1.8.3.1