Merge pull request #17207 from danishprakash/add-systemd-shm-size

add support for limiting tmpfs size for systemd-specific mnts

docs/source/markdown/options/shm-size-systemd.md

@@ -0,0 +1,10 @@
+####> This option file is used in:
+####>   podman create, pod clone, pod create, run
+####> If file is edited, make sure the changes
+####> are applicable to all of those.
+#### **--shm-size-systemd**=*number[unit]*
+
+Size of systemd-specific tmpfs mounts such as /run, /run/lock, /var/log/journal and /tmp.
+A _unit_ can be **b** (bytes), **k** (kibibytes), **m** (mebibytes), or **g** (gibibytes).
+If the unit is omitted, the system uses bytes. If the size is omitted, the default is **64m**.
+When _size_ is **0**, the usage is limited to 50% of the host's available memory.

docs/source/markdown/podman-create.1.md.in

@@ -328,6 +328,8 @@ Automatically remove the container when it exits. The default is *false*.
 
 @@option shm-size
 
+@@option shm-size-systemd
+
 @@option stop-signal
 
 @@option stop-timeout

docs/source/markdown/podman-pod-clone.1.md.in

@@ -71,6 +71,8 @@ Set a custom name for the cloned pod. The default if not specified is of the syn
 
 @@option shm-size
 
+@@option shm-size-systemd
+
 #### **--start**
 
 When set to true, this flag starts the newly created pod after the

docs/source/markdown/podman-pod-create.1.md.in

@@ -157,6 +157,8 @@ Note: This options conflict with **--share=cgroup** since that would set the pod
 
 @@option shm-size
 
+@@option shm-size-systemd
+
 @@option subgidname
 
 @@option subuidname

docs/source/markdown/podman-run.1.md.in

@@ -358,6 +358,8 @@ container is using it. The default is *false*.
 
 @@option shm-size
 
+@@option shm-size-systemd
+
 @@option sig-proxy
 
 The default is **true**.