/* disallow userland-initiated cgroup migration */
unsigned no_cgroup_migration:1;
#endif
+#ifdef CONFIG_BLK_CGROUP
+ /* to be used once the psi infrastructure lands upstream. */
+ unsigned use_memdelay:1;
+#endif
unsigned long atomic_flags; /* Flags requiring atomic access. */
unsigned int memcg_nr_pages_over_high;
#endif
+#ifdef CONFIG_BLK_CGROUP
+ struct request_queue *throttle_queue;
+#endif
+
#ifdef CONFIG_UPROBES
struct uprobe_task *utask;
#endif