Index: head/sys/powerpc/aim/mmu_oea64.c
===================================================================
--- head/sys/powerpc/aim/mmu_oea64.c
+++ head/sys/powerpc/aim/mmu_oea64.c
@@ -2807,7 +2807,7 @@
 
 	PMAP_LOCK(pm);
 	while (sz > 0) {
-		lim = round_page(va);
+		lim = round_page(va+1);
 		len = MIN(lim - va, sz);
 		pvo = moea64_pvo_find_va(pm, va & ~ADDR_POFF);
 		if (pvo != NULL && !(pvo->pvo_pte.pa & LPTE_I)) {