77 static struct vmpressure *vmpressure_parent(struct vmpressure *vmpr)  in vmpressure_parent()  argument
79 	struct cgroup_subsys_state *css = vmpressure_to_css(vmpr);  in vmpressure_parent()
160 static bool vmpressure_event(struct vmpressure *vmpr,  in vmpressure_event()  argument
167 	mutex_lock(&vmpr->events_lock);  in vmpressure_event()
168 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_event()
178 	mutex_unlock(&vmpr->events_lock);  in vmpressure_event()
185 	struct vmpressure *vmpr = work_to_vmpressure(work);  in vmpressure_work_fn()  local
192 	spin_lock(&vmpr->sr_lock);  in vmpressure_work_fn()
201 	scanned = vmpr->tree_scanned;  in vmpressure_work_fn()
203 		spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
207 	reclaimed = vmpr->tree_reclaimed;  in vmpressure_work_fn()
208 	vmpr->tree_scanned = 0;  in vmpressure_work_fn()
209 	vmpr->tree_reclaimed = 0;  in vmpressure_work_fn()
210 	spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
215 		if (vmpressure_event(vmpr, level, ancestor, signalled))  in vmpressure_work_fn()
218 	} while ((vmpr = vmpressure_parent(vmpr)));  in vmpressure_work_fn()
245 	struct vmpressure *vmpr;  in vmpressure()  local
251 	vmpr = memcg_to_vmpressure(memcg);  in vmpressure()
283 		spin_lock(&vmpr->sr_lock);  in vmpressure()
284 		scanned = vmpr->tree_scanned += scanned;  in vmpressure()
285 		vmpr->tree_reclaimed += reclaimed;  in vmpressure()
286 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
290 		schedule_work(&vmpr->work);  in vmpressure()
298 		spin_lock(&vmpr->sr_lock);  in vmpressure()
299 		scanned = vmpr->scanned += scanned;  in vmpressure()
300 		reclaimed = vmpr->reclaimed += reclaimed;  in vmpressure()
302 			spin_unlock(&vmpr->sr_lock);  in vmpressure()
305 		vmpr->scanned = vmpr->reclaimed = 0;  in vmpressure()
306 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
377 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_register_event()  local
415 	mutex_lock(&vmpr->events_lock);  in vmpressure_register_event()
416 	list_add(&ev->node, &vmpr->events);  in vmpressure_register_event()
417 	mutex_unlock(&vmpr->events_lock);  in vmpressure_register_event()
438 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_unregister_event()  local
441 	mutex_lock(&vmpr->events_lock);  in vmpressure_unregister_event()
442 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_unregister_event()
449 	mutex_unlock(&vmpr->events_lock);  in vmpressure_unregister_event()
459 void vmpressure_init(struct vmpressure *vmpr)  in vmpressure_init()  argument
461 	spin_lock_init(&vmpr->sr_lock);  in vmpressure_init()
462 	mutex_init(&vmpr->events_lock);  in vmpressure_init()
463 	INIT_LIST_HEAD(&vmpr->events);  in vmpressure_init()
464 	INIT_WORK(&vmpr->work, vmpressure_work_fn);  in vmpressure_init()
474 void vmpressure_cleanup(struct vmpressure *vmpr)  in vmpressure_cleanup()  argument
480 	flush_work(&vmpr->work);  in vmpressure_cleanup()