> Doesn't vmem(9) supersede the functionality in subr_blist.c?  If so,  
   > the stuff that uses blists should be changed to use vmem, and  
   > subr_blist.c deleted from the tree.
   > 
   > -- thorpej
   
   uvm allocates a chunk of contiguous swap slots, and free them individually.
   it can't be handled by vmem.


we can change the way uvm does swap slot handling if it is going
to be better handled by vmem.


.mrg.