7> memsup:get_system_memory_data().
[{system_total_memory,8322506752},
{free_swap,7939817472},
{total_swap,7999582208},
{cached_memory,3634323456},
{buffered_memory,521039872},
{free_memory,990232576},
{total_memory,8322506752}]
we cannot change the meaning of free_memory tag.
// Björn-Egil