uvm_pagermapin
vaddr_t uvm_pagermapin(struct vm_page **, int, int);
kva = uvm_pagermapin(pps, npages, mapinflags);
bouncekva = uvm_pagermapin(tpps, npages, swmapflags);
kva = uvm_pagermapin(pps, npages, mapinflags);
kva = uvm_pagermapin(pps, npages,