usermode/usermode/pmap.c

968 	struct pv_entry *pv, *npv;
979 		npv = pv->pv_next;
980 		if (npv) {
982 			memcpy(pv, npv, offsetof(struct pv_entry, pv_pflags));
984 			pv_free(npv);
989 		for (npv = pv->pv_next; npv; npv = npv->pv_next) {
990 			if ((pmap == npv->pv_pmap) && (lpn == npv->pv_lpn))
992 			pv = npv;
994 		KASSERT(npv != NULL);
995 		pv->pv_next = npv->pv_next;
996 		pv_free(npv);
1290 	struct pv_entry *pv, *npv;
1297 		npv = pv = &pv_table[ppn];
1311 				npv = pv->pv_next;
1319 			pv = npv;