[Unit]
Description=Kernel Samepage Merging
ConditionPathExists=/sys/kernel/mm/ksm
ConditionVirtualization=no

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/echo 1 > /sys/kernel/mm/ksm/run
ExecStop=/bin/echo 0 > /sys/kernel/mm/ksm/run

[Install]
WantedBy=multi-user.target