Index: uspace/lib/c/generic/malloc.c
===================================================================
--- uspace/lib/c/generic/malloc.c	(revision 265be8a63c5dcd76460da6d1c913f25f869c5a4b)
+++ uspace/lib/c/generic/malloc.c	(revision 94e75cf6c40e56c11fc4cf8e6b165e9be7bcd58b)
@@ -81,21 +81,21 @@
 	(sizeof(heap_block_head_t) + sizeof(heap_block_foot_t))
 
+/** Calculate real size of a heap block.
+ *
+ * Add header and footer size.
+ *
+ */
+#define GROSS_SIZE(size)  ((size) + STRUCT_OVERHEAD)
+
+/** Calculate net size of a heap block.
+ *
+ * Subtract header and footer size.
+ *
+ */
+#define NET_SIZE(size)  ((size) - STRUCT_OVERHEAD)
+
 /** Overhead of each area. */
 #define AREA_OVERHEAD(size) \
-	(ALIGN_UP(size + sizeof(heap_area_t), BASE_ALIGN))
-
-/** Calculate real size of a heap block.
- *
- * Add header and footer size.
- *
- */
-#define GROSS_SIZE(size)  ((size) + STRUCT_OVERHEAD)
-
-/** Calculate net size of a heap block.
- *
- * Subtract header and footer size.
- *
- */
-#define NET_SIZE(size)  ((size) - STRUCT_OVERHEAD)
+	(ALIGN_UP(GROSS_SIZE(size) + sizeof(heap_area_t), BASE_ALIGN))
 
 /** Get first block in heap area.