Index: arch/mips32/src/drivers/arc.c
===================================================================
--- arch/mips32/src/drivers/arc.c	(revision 085d973c11067c76c6bb3481033b2ba387555f4a)
+++ arch/mips32/src/drivers/arc.c	(revision 874878ab8f4787b913b24462b16f625fbc977008)
@@ -306,5 +306,5 @@
 			
 			zone_create(ADDR2PFN(base),
-				    SIZE2PFN(ALIGN_DOWN(basesize,FRAME_SIZE)),
+				    SIZE2FRAMES(ALIGN_DOWN(basesize,FRAME_SIZE)),
 				    ADDR2PFN(base),0);
 		}