.. got it slightly lower by switching to dash and disabling ACPI and APIC:
root@lilpenguin $ free -m total used free shared buffers cached Mem: 18 4 13 0 0 1 -/+ buffers/cache: 2 15 Swap: 0 0 0
.. got it slightly lower by switching to dash and disabling ACPI and APIC:
root@lilpenguin $ free -m total used free shared buffers cached Mem: 18 4 13 0 0 1 -/+ buffers/cache: 2 15 Swap: 0 0 0