Merge pull request #15384 from sstosh/options-cgroupsv1-rootless

Warning messages are printed and ignored if we use an unsupported option on cgroups V1 rootless systems

9 files changed, 15 insertions, 3 deletions

diff --git a/docs/source/markdown/options/blkio-weight.md b/docs/source/markdown/options/blkio-weight.md
index eb8e94144..04a1071c0 100644
--- a/docs/source/markdown/options/blkio-weight.md
+++ b/docs/source/markdown/options/blkio-weight.md
@@ -1,3 +1,5 @@
 #### **--blkio-weight**=*weight*
 
 Block IO relative weight. The _weight_ is a value between **10** and **1000**.
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-period.md b/docs/source/markdown/options/cpu-period.md
index efbe6c2ab..5c5eb56e7 100644
--- a/docs/source/markdown/options/cpu-period.md
+++ b/docs/source/markdown/options/cpu-period.md
@@ -8,3 +8,5 @@ microseconds.
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-quota.md b/docs/source/markdown/options/cpu-quota.md
index 753797bad..81d5db3d2 100644
--- a/docs/source/markdown/options/cpu-quota.md
+++ b/docs/source/markdown/options/cpu-quota.md
@@ -10,3 +10,5 @@ ends (controllable via **--cpu-period**).
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-rt-period.md b/docs/source/markdown/options/cpu-rt-period.md
index 9014beb33..36e88632e 100644
--- a/docs/source/markdown/options/cpu-rt-period.md
+++ b/docs/source/markdown/options/cpu-rt-period.md
@@ -4,4 +4,4 @@ Limit the CPU real-time period in microseconds.
 
 Limit the container's Real Time CPU usage. This option tells the kernel to restrict the container's Real Time CPU usage to the period specified.
 
-This option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-rt-runtime.md b/docs/source/markdown/options/cpu-rt-runtime.md
index 05b1d3b96..64f0ec38b 100644
--- a/docs/source/markdown/options/cpu-rt-runtime.md
+++ b/docs/source/markdown/options/cpu-rt-runtime.md
@@ -7,4 +7,4 @@ 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 option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-shares.md b/docs/source/markdown/options/cpu-shares.md
index c2115c1bf..c0e2c3035 100644
--- a/docs/source/markdown/options/cpu-shares.md
+++ b/docs/source/markdown/options/cpu-shares.md
@@ -37,3 +37,5 @@ this can result in the following division of CPU shares:
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-cpus.md b/docs/source/markdown/options/cpuset-cpus.md
index a67766897..8a2a82e9f 100644
--- a/docs/source/markdown/options/cpuset-cpus.md
+++ b/docs/source/markdown/options/cpuset-cpus.md
@@ -7,3 +7,5 @@ CPUs in which to allow execution. Can be specified as a comma-separated list
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-mems.md b/docs/source/markdown/options/cpuset-mems.md
index 1eeab7b13..b86d0ef6b 100644
--- a/docs/source/markdown/options/cpuset-mems.md
+++ b/docs/source/markdown/options/cpuset-mems.md
@@ -10,3 +10,5 @@ two memory nodes.
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/memory-swappiness.md b/docs/source/markdown/options/memory-swappiness.md
index 65f0ef310..1e6a51188 100644
--- a/docs/source/markdown/options/memory-swappiness.md
+++ b/docs/source/markdown/options/memory-swappiness.md
@@ -2,4 +2,4 @@
 
 Tune a container's memory swappiness behavior. Accepts an integer between *0* and *100*.
 
-This flag is not supported on cgroups V2 systems.
+This flag is only supported on cgroups V1 rootful systems.