* When enabling a swap device systemd will now reinitialize the device
when the page size of the swap space does not match the page size of
- the running kernel.
+ the running kernel. Note that this requires the 'swapon' utility to
+ provide the '--fixpgsz' option, as implemented by util-linux, and it
+ is not supported by busybox at the time of writing.
* systemd now executes generator programs in a mount namespace
"sandbox" with most of the file system read-only and write access