vm_offset_t pa;
paddr_t pa;
pmap_find_pv(pa)	vm_offset_t pa;{	register int bank;	int off;	if ((bank = vm_physseg_find(atop(pa), &off)) != -1) {#ifdef PMAPDEBUG		if (pmapdebug & PDB_PV)			printf("pmap_find_pv(%x):  %d:%d\n", pa, bank, off);#endif		return &vm_physmem[bank].pmseg.pvent[off];	} else		panic("pmap_find_pv: mapping unmappable");}