docs: cgroup-v2: fix misc.events key format description

In misc cgroup, misc.events does not output a simple "max" key. Instead,
each registered misc resource outputs a separate key suffixed with ".max"
(i.e., "<res>.max").
Update the documentation to clarify that the entry key is "<res>.max".

Suggested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Cheng Lingfei <chenglingfei@foxmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Cheng Lingfei 2026-08-24 20:45:46 +08:00 committed by Tejun Heo
parent a8c6daab4b
commit 909a3f0e9d

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@ -3019,7 +3019,7 @@ Miscellaneous controller provides 3 interface files. If two misc resources (res_
change in this file generates a file modified event. All fields in
this file are hierarchical.
max
<res>.max
The number of times the cgroup's resource usage was
about to go over the max boundary.