Expand data size utilities

src/os/allocators/arena/mem_arena.c

@@ -15,7 +15,7 @@
 #define DEFAULT_ALIGNMENT (2 * sizeof(void *))
 #endif /* ifndef DEFAULT_ALIGNMENT */
 
-#define ARENA_MINIMUM_CAPACITY KB(16) // Allocate minimum of 4 pages
+#define ARENA_MINIMUM_CAPACITY KiB(16) // Allocate minimum of 4 pages
 
 struct arena {
   u8 *buf;