pvhead(int pnum)
static __inline struct pvlist *pvhead __P((int)); static __inline struct pvlist *pvalloc __P((void)); static __inline void pvfree __P((struct pvlist *));  #if defined(SUN4M) static u_int	VA2PA __P((caddr_t)); #endif   static __inline struct pvlist * pvhead(pnum) int pnum;
pvhead(int pnum){	int bank, off;	bank = vm_physseg_find(pnum, &off);	if (bank == -1)		return NULL;	return &vm_physmem[bank].pmseg.pv_head[off];}