Merge pull request #11013 from hshiina/cgroupsv2

[CI:DOCS] Add notes to flags not supported on cgroups V2
containers · Jul 22, 2021 · e6fb92f · e6fb92f
2 parents c522dc2 + 12f4b14
commit e6fb92f
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diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md
@@ -181,6 +181,8 @@ Limit the CPU real-time period in microseconds
 
 Limit the container's Real Time CPU usage. This flag tell the kernel to restrict the container's Real Time CPU usage to the period you specify.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--cpu-rt-runtime**=*microseconds*
 
 Limit the CPU real-time runtime in microseconds
@@ -190,6 +192,8 @@ Period of 1,000,000us and Runtime of 950,000us means that this container could c
 
 The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--cpu-shares**=*shares*
 
 CPU shares (relative weight)
@@ -479,6 +483,8 @@ is not limited. If you specify a limit, it may be rounded up to a multiple
 of the operating system's page size and the value can be very large,
 millions of trillions.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--label**, **-l**=*label*
 
 Add metadata to a container (e.g., --label com.example.key=value)
@@ -561,6 +567,8 @@ unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
 
 Tune a container's memory swappiness behavior. Accepts an integer between 0 and 100.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--mount**=*type=TYPE,TYPE-SPECIFIC-OPTION[,...]*
 
 Attach a filesystem mount to the container

diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md
@@ -199,6 +199,8 @@ Limit the CPU real-time period in microseconds.
 
 Limit the container's Real Time CPU usage. This flag tell the kernel to restrict the container's Real Time CPU usage to the period you specify.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--cpu-rt-runtime**=*microseconds*
 
 Limit the CPU real-time runtime in microseconds.
@@ -208,6 +210,8 @@ Period of 1,000,000us and Runtime of 950,000us means that this container could c
 
 The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--cpu-shares**=*shares*
 
 CPU shares (relative weight).
@@ -518,6 +522,8 @@ is not limited. If you specify a limit, it may be rounded up to a multiple
 of the operating system's page size and the value can be very large,
 millions of trillions.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--label**, **-l**=*key*=*value*
 
 Add metadata to a container.
@@ -595,6 +601,8 @@ Set _number_ to **-1** to enable unlimited swap.
 
 Tune a container's memory swappiness behavior. Accepts an integer between *0* and *100*.
 
+This flag is not supported on cgroups V2 systems.
+
 #### **--mount**=*type=TYPE,TYPE-SPECIFIC-OPTION[,...]*
 
 Attach a filesystem mount to the container