# Enable swap accounting, to be placed in /etc/default/grub.d/
# Afterwards `update-grub` and reboot must be run/done.
# Script from ulif, based on dmraid2mdadm.cfg from stock ubuntu.
SWAPACCOUNTING_TOAPPEND="cgroup_enable=memory swapaccount=1"

case "$GRUB_CMDLINE_LINUX_DEFAULT" in
    *$SWAPACCOUNTING_TOAPPEND*)
        ;;
    *)
        GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT $SWAPACCOUNTING_TOAPPEND"
        ;;
esac