uvmspace_alloc    521 uvm/uvm_extern.h struct vmspace		*uvmspace_alloc(vaddr_t, vaddr_t,
uvmspace_alloc   3246 uvm/uvm_map.c  		nvm = uvmspace_alloc(start, end,
uvmspace_alloc   3324 uvm/uvm_map.c  	vm2 = uvmspace_alloc(old_map->min_offset, old_map->max_offset,