* need_sleep = false;
* wake_up_state(p, TASK_UNINTERRUPTIBLE);
*
- * Where wake_up_state() (and all other wakeup primitives) imply enough
- * barriers to order the store of the variable against wakeup.
+ * where wake_up_state() executes a full memory barrier before accessing the
+ * task state.
*
* Wakeup will do: if (@state & p->state) p->state = TASK_RUNNING, that is,
* once it observes the TASK_UNINTERRUPTIBLE store the waking CPU can issue a
unsigned restore_sigmask:1;
#endif
#ifdef CONFIG_MEMCG
- unsigned memcg_may_oom:1;
-#ifndef CONFIG_SLOB
+ unsigned in_user_fault:1;
+#ifdef CONFIG_MEMCG_KMEM
unsigned memcg_kmem_skip_account:1;
#endif
#endif
/* 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. */
u64 last_sum_exec_runtime;
struct callback_head numa_work;
- struct list_head numa_entry;
struct numa_group *numa_group;
/*
/* Number of pages to reclaim on returning to userland: */
unsigned int memcg_nr_pages_over_high;
+
+ /* Used by memcontrol for targeted memcg charge: */
+ struct mem_cgroup *active_memcg;
+#endif
+
+#ifdef CONFIG_BLK_CGROUP
+ struct request_queue *throttle_queue;
#endif
#ifdef CONFIG_UPROBES