slot = pSeries_lpar_hpte_find(vpn);
slot = pSeries_lpar_hpte_find(va, psize);
static void pSeries_lpar_hpte_updateboltedpp(unsigned long newpp,					     unsigned long ea){	unsigned long lpar_rc;	unsigned long vsid, va, vpn, flags;	long slot;	vsid = get_kernel_vsid(ea);	va = (vsid << 28) | (ea & 0x0fffffff);	vpn = va >> PAGE_SHIFT;	slot = pSeries_lpar_hpte_find(vpn);	BUG_ON(slot == -1);	flags = newpp & 7;	lpar_rc = plpar_pte_protect(flags, slot, 0);	BUG_ON(lpar_rc != H_Success);}