static inline unsigned long hpt_hash(unsigned long vpn, int large)
static inline unsigned long hpt_hash(unsigned long va, unsigned int shift)
static inline unsigned long hpt_hash(unsigned long vpn, int large){	unsigned long vsid;	unsigned long page;	if (large) {		vsid = vpn >> 4;		page = vpn & 0xf;	} else {		vsid = vpn >> 16;		page = vpn & 0xffff;	}	return (vsid & 0x7fffffffffUL) ^ page;}