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-rw-r--r--Documentation/scheduler/sched-bwc.rst5
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diff --git a/Documentation/scheduler/sched-bwc.rst b/Documentation/scheduler/sched-bwc.rst
index a44860d33ffc..845eee659199 100644
--- a/Documentation/scheduler/sched-bwc.rst
+++ b/Documentation/scheduler/sched-bwc.rst
@@ -26,6 +26,11 @@ Management
----------
Quota and period are managed within the cpu subsystem via cgroupfs.
+.. note::
+ The cgroupfs files described in this section are only applicable
+ to cgroup v1. For cgroup v2, see
+ :ref:`Documentation/admin-guide/cgroupv2.rst <cgroup-v2-cpu>`.
+
- cpu.cfs_quota_us: the total available run-time within a period (in
microseconds)
- cpu.cfs_period_us: the length of a period (in microseconds)