78 static struct vmpressure *vmpressure_parent(struct vmpressure *vmpr)  in vmpressure_parent()  argument
80 	struct cgroup_subsys_state *css = vmpressure_to_css(vmpr);  in vmpressure_parent()
161 static bool vmpressure_event(struct vmpressure *vmpr,  in vmpressure_event()  argument
168 	mutex_lock(&vmpr->events_lock);  in vmpressure_event()
169 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_event()
179 	mutex_unlock(&vmpr->events_lock);  in vmpressure_event()
186 	struct vmpressure *vmpr = work_to_vmpressure(work);  in vmpressure_work_fn()  local
193 	spin_lock(&vmpr->sr_lock);  in vmpressure_work_fn()
202 	scanned = vmpr->tree_scanned;  in vmpressure_work_fn()
204 		spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
208 	reclaimed = vmpr->tree_reclaimed;  in vmpressure_work_fn()
209 	vmpr->tree_scanned = 0;  in vmpressure_work_fn()
210 	vmpr->tree_reclaimed = 0;  in vmpressure_work_fn()
211 	spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
216 		if (vmpressure_event(vmpr, level, ancestor, signalled))  in vmpressure_work_fn()
219 	} while ((vmpr = vmpressure_parent(vmpr)));  in vmpressure_work_fn()
246 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure()  local
274 		spin_lock(&vmpr->sr_lock);  in vmpressure()
275 		scanned = vmpr->tree_scanned += scanned;  in vmpressure()
276 		vmpr->tree_reclaimed += reclaimed;  in vmpressure()
277 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
281 		schedule_work(&vmpr->work);  in vmpressure()
289 		spin_lock(&vmpr->sr_lock);  in vmpressure()
290 		scanned = vmpr->scanned += scanned;  in vmpressure()
291 		reclaimed = vmpr->reclaimed += reclaimed;  in vmpressure()
293 			spin_unlock(&vmpr->sr_lock);  in vmpressure()
296 		vmpr->scanned = vmpr->reclaimed = 0;  in vmpressure()
297 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
365 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_register_event()  local
407 	mutex_lock(&vmpr->events_lock);  in vmpressure_register_event()
408 	list_add(&ev->node, &vmpr->events);  in vmpressure_register_event()
409 	mutex_unlock(&vmpr->events_lock);  in vmpressure_register_event()
429 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_unregister_event()  local
432 	mutex_lock(&vmpr->events_lock);  in vmpressure_unregister_event()
433 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_unregister_event()
440 	mutex_unlock(&vmpr->events_lock);  in vmpressure_unregister_event()
450 void vmpressure_init(struct vmpressure *vmpr)  in vmpressure_init()  argument
452 	spin_lock_init(&vmpr->sr_lock);  in vmpressure_init()
453 	mutex_init(&vmpr->events_lock);  in vmpressure_init()
454 	INIT_LIST_HEAD(&vmpr->events);  in vmpressure_init()
455 	INIT_WORK(&vmpr->work, vmpressure_work_fn);  in vmpressure_init()
465 void vmpressure_cleanup(struct vmpressure *vmpr)  in vmpressure_cleanup()  argument
471 	flush_work(&vmpr->work);  in vmpressure_cleanup()