EIOMAPSIZE
ptoa(EIOMAPSIZE), VM_NOSLEEP);
KASSERT((uint8_t *)kva < extiobase + ptoa(EIOMAPSIZE));
KASSERT(bsh < ((vaddr_t)extiobase + ptoa(EIOMAPSIZE)));
.pmbm_size = ctob(EIOMAPSIZE),
(uint8_t *)ptr < extiobase + (EIOMAPSIZE * PAGE_SIZE)))
(IIOMAPSIZE + EIOMAPSIZE + NPTEPG - 1) / NPTEPG;
pte += EIOMAPSIZE;
#ifndef EIOMAPSIZE