> Requests/Fail/Releases are number of allocation request/failure count
> for allocation/release requset.
> 
> Pgreq/Pgrel are how many times pages are requested or released (pool
> system request memory in terms of ``page'' to VM system, and divide it
> into each objects).
> 
> Npage is a number of page currently used by pool system for the
> objects.
i understand! thank you - i was reading wrong columns....

so i see ffs and vnode consuming above 4MB RAM

what is it used for?!
19MB are allocated for buffers as dmesg says