[msh] add available memory information for free cmd
@@ -83,6 +83,7 @@ int cmd_free(int argc, char **argv)
rt_kprintf("total : %d\n", total);
rt_kprintf("used : %d\n", used);
rt_kprintf("maximum : %d\n", max_used);
+ rt_kprintf("available: %d\n", total - used);
#endif
return 0;
}
