Index: generic/src/mm/as.c
===================================================================
--- generic/src/mm/as.c	(revision f94250069a06e988996338d826128cadeacca6fb)
+++ generic/src/mm/as.c	(revision 204674ee3e573dfb433faf3ebf3f3faf43f34ed7)
@@ -251,5 +251,5 @@
 	if (area->mapping[vpn] == UNALLOCATED_PFN) {
 		frame = frame_alloc(0, ONE_FRAME, NULL);
-		memsetb(frame, FRAME_SIZE, 0);
+		memsetb(PA2KA(frame), FRAME_SIZE, 0);
 		area->mapping[vpn] = frame / FRAME_SIZE;
 		ASSERT(area->mapping[vpn] != UNALLOCATED_PFN);