diff --git a/sys/sparc64/include/vmparam.h b/sys/sparc64/include/vmparam.h
index b9ce5466315..b92312efc0b 100644
--- a/sys/sparc64/include/vmparam.h
+++ b/sys/sparc64/include/vmparam.h
@@ -128,10 +128,17 @@
 #endif
 
 /*
- * Disable superpage reservations.
+ * Enable superpage reservations: 1 level.
  */
 #ifndef	VM_NRESERVLEVEL
-#define	VM_NRESERVLEVEL		0
+#define	VM_NRESERVLEVEL		1
+#endif
+
+/*
+ * Level 0 reservations consist of 512 pages.
+ */
+#ifndef	VM_LEVEL_0_ORDER
+#define	VM_LEVEL_0_ORDER	9
 #endif
 
 /*
diff --git a/sys/vm/vm_reserv.c b/sys/vm/vm_reserv.c
index 423bb3115af..f5f44f7d281 100644
--- a/sys/vm/vm_reserv.c
+++ b/sys/vm/vm_reserv.c
@@ -194,7 +194,7 @@ sysctl_vm_reserv_partpopq(SYSCTL_HANDLER_ARGS)
 		}
 		mtx_unlock(&vm_page_queue_free_mtx);
 		sbuf_printf(&sbuf, "%5d: %6dK, %6d\n", level,
-		    unused_pages * (PAGE_SIZE / 1024), counter);
+		    unused_pages * ((int)PAGE_SIZE / 1024), counter);
 	}
 	error = sbuf_finish(&sbuf);
 	sbuf_delete(&sbuf);