On Wed, Jun 12, 2002 at 06:20:25AM +0000, Wojciech Puchar wrote:
> where (man/doc) this things are explained?

sysctl(3) [not sysctl(8)! (which is out-of-date, too :)]

> 
> most are self explaining but what is vm.uspace and vm.maxslp?

from sysctl(3):

     VM_MAXSLP
             The value of the maxslp kernel global variable.

     VM_USPACE
             The number of bytes allocated for each kernel stack.

-Martin