#ifdef CONFIG_CGROUPS
+/*
+ * All weight knobs on the default hierarhcy should use the following min,
+ * default and max values. The default value is the logarithmic center of
+ * MIN and MAX and allows 100x to be expressed in both directions.
+ */
+#define CGROUP_WEIGHT_MIN 1
+#define CGROUP_WEIGHT_DFL 100
+#define CGROUP_WEIGHT_MAX 10000
+
/* a css_task_iter should be treated as an opaque object */
struct css_task_iter {
struct cgroup_subsys *ss;