sys/uvm/uvm_io.c
104
error = uvm_map_extract(map, baseva, chunksz, kernel_map, &kva,
sys/uvm/uvm_map.h
289
int uvm_map_extract(struct vm_map *, vaddr_t, vsize_t,
sys/uvm/uvm_mremap.c
210
error = uvm_map_extract(oldmap, oldva, movesize, newmap, &dstva,
