Man pages: refactor common options: --memory*

(memory-star, i.e., several memory options) that didn't get
included in #15276. Most of them are shoo-ins; the two in
container-clone and pod-clone deserve special attention
because of the "If unspecified" wording.

Signed-off-by: Ed Santiago <santiago@redhat.com>

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

@@ -391,28 +391,9 @@ This option is not supported on the remote client, including Mac and Windows
 Name of the manifest list to which the image will be added. Creates the manifest list
 if it does not exist. This option is useful for building multi architecture images.
 
-#### **--memory**, **-m**=*LIMIT*
+@@option memory
 
-Memory limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes),
-m (mebibytes), or g (gibibytes))
-
-Allows you to constrain the memory available to a container. If the host
-supports swap memory, then the **-m** memory setting can be larger than physical
-RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
-not limited. The actual limit may be rounded up to a multiple of the operating
-system's page size (the value would be very large, that's millions of
-trillions).
-
-#### **--memory-swap**=*LIMIT*
-
-A limit value equal to memory plus swap. Must be used with the  **-m**
-(**--memory**) option. The swap `LIMIT` should always be larger than **-m**
-(**--memory**) value.  By default, the swap `LIMIT` will be set to double
-the value of --memory.
-
-The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
-`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
-unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
+@@option memory-swap
 
 #### **--network**=*mode*, **--net**
 

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

@@ -64,28 +64,15 @@ Force removal of the original container that we are cloning. Can only be used in
 
 If no memory limits are specified, the original container's will be used.
 
-#### **--memory-reservation**=*limit*
+@@option memory-reservation
 
-Memory soft limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes))
+If unspecified, memory reservation will be the same as memory limit from the
+container being cloned.
 
-After setting memory reservation, when the system detects memory contention
-or low memory, containers are forced to restrict their consumption to their
-reservation. So you should always set the value below **--memory**, otherwise the
-hard limit will take precedence. By default, memory reservation will be the same
-as memory limit from the container being cloned.
+@@option memory-swap
 
-#### **--memory-swap**=*limit*
-
-A limit value equal to memory plus swap. Must be used with the  **-m**
-(**--memory**) flag. The swap `LIMIT` should always be larger than **-m**
-(**--memory**) value. By default, the swap `LIMIT` will be set to double
-the value of --memory if specified. Otherwise, the container being cloned will be used to derive the swap value.
-
-The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
-`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
-unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
-
-This option is not supported on cgroups V1 rootless systems.
+If unspecified, the container being cloned will be used to derive
+the swap value.
 
 @@option memory-swappiness
 

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

@@ -70,26 +70,9 @@ Print usage statement.
 
 @@option label-file
 
-#### **--memory**, **-m**=*limit*
+@@option memory
 
-Memory limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes))
-
-Constrains the memory available to a container. If the host
-supports swap memory, then the **-m** memory setting can be larger than physical
-RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
-not limited. The actual limit may be rounded up to a multiple of the operating
-system's page size (the value would be very large, that's millions of trillions).
-
-#### **--memory-swap**=*limit*
-
-A limit value equal to memory plus swap. Must be used with the  **-m**
-(**--memory**) flag. The swap `LIMIT` should always be larger than **-m**
-(**--memory**) value. By default, the swap `LIMIT` will be set to double
-the value of --memory.
-
-The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
-`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
-unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
+@@option memory-swap
 
 #### **--name**, **-n**
 

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

@@ -136,26 +136,9 @@ To specify multiple static IPv6 addresses per pod, set multiple networks using t
 
 @@option mac-address
 
-#### **--memory**, **-m**=*limit*
+@@option memory
 
-Memory limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes))
-
-Constrains the memory available to a container. If the host
-supports swap memory, then the **-m** memory setting can be larger than physical
-RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
-not limited. The actual limit may be rounded up to a multiple of the operating
-system's page size (the value would be very large, that's millions of trillions).
-
-#### **--memory-swap**=*limit*
-
-A limit value equal to memory plus swap. Must be used with the  **-m**
-(**--memory**) flag. The swap `LIMIT` should always be larger than **-m**
-(**--memory**) value. By default, the swap `LIMIT` will be set to double
-the value of --memory.
-
-The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
-`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
-unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
+@@option memory-swap
 
 #### **--name**, **-n**=*name*
 

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

@@ -307,15 +307,7 @@ This option is currently supported only by the **journald** log driver.
 
 @@option mac-address
 
-#### **--memory**, **-m**=*number[unit]*
-
-Memory limit. A _unit_ can be **b** (bytes), **k** (kibibytes), **m** (mebibytes), or **g** (gibibytes).
-
-Allows you to constrain the memory available to a container. If the host
-supports swap memory, then the **-m** memory setting can be larger than physical
-RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
-not limited. The actual limit may be rounded up to a multiple of the operating
-system's page size (the value would be very large, that's millions of trillions).
+@@option memory
 
 @@option memory-reservation