75 static struct vmpressure *vmpressure_parent(struct vmpressure *vmpr)  in vmpressure_parent()  argument
77 	struct cgroup_subsys_state *css = vmpressure_to_css(vmpr);  in vmpressure_parent()
158 static bool vmpressure_event(struct vmpressure *vmpr,  in vmpressure_event()  argument
165 	mutex_lock(&vmpr->events_lock);  in vmpressure_event()
166 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_event()
176 	mutex_unlock(&vmpr->events_lock);  in vmpressure_event()
183 	struct vmpressure *vmpr = work_to_vmpressure(work);  in vmpressure_work_fn()  local
190 	spin_lock(&vmpr->sr_lock);  in vmpressure_work_fn()
199 	scanned = vmpr->tree_scanned;  in vmpressure_work_fn()
201 		spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
205 	reclaimed = vmpr->tree_reclaimed;  in vmpressure_work_fn()
206 	vmpr->tree_scanned = 0;  in vmpressure_work_fn()
207 	vmpr->tree_reclaimed = 0;  in vmpressure_work_fn()
208 	spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
213 		if (vmpressure_event(vmpr, level, ancestor, signalled))  in vmpressure_work_fn()
216 	} while ((vmpr = vmpressure_parent(vmpr)));  in vmpressure_work_fn()
243 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure()  local
271 		spin_lock(&vmpr->sr_lock);  in vmpressure()
272 		scanned = vmpr->tree_scanned += scanned;  in vmpressure()
273 		vmpr->tree_reclaimed += reclaimed;  in vmpressure()
274 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
278 		schedule_work(&vmpr->work);  in vmpressure()
286 		spin_lock(&vmpr->sr_lock);  in vmpressure()
287 		scanned = vmpr->scanned += scanned;  in vmpressure()
288 		reclaimed = vmpr->reclaimed += reclaimed;  in vmpressure()
290 			spin_unlock(&vmpr->sr_lock);  in vmpressure()
293 		vmpr->scanned = vmpr->reclaimed = 0;  in vmpressure()
294 		spin_unlock(&vmpr->sr_lock);  in vmpressure()
365 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_register_event()  local
405 	mutex_lock(&vmpr->events_lock);  in vmpressure_register_event()
406 	list_add(&ev->node, &vmpr->events);  in vmpressure_register_event()
407 	mutex_unlock(&vmpr->events_lock);  in vmpressure_register_event()
428 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_unregister_event()  local
431 	mutex_lock(&vmpr->events_lock);  in vmpressure_unregister_event()
432 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_unregister_event()
439 	mutex_unlock(&vmpr->events_lock);  in vmpressure_unregister_event()
449 void vmpressure_init(struct vmpressure *vmpr)  in vmpressure_init()  argument
451 	spin_lock_init(&vmpr->sr_lock);  in vmpressure_init()
452 	mutex_init(&vmpr->events_lock);  in vmpressure_init()
453 	INIT_LIST_HEAD(&vmpr->events);  in vmpressure_init()
454 	INIT_WORK(&vmpr->work, vmpressure_work_fn);  in vmpressure_init()
464 void vmpressure_cleanup(struct vmpressure *vmpr)  in vmpressure_cleanup()  argument
470 	flush_work(&vmpr->work);  in vmpressure_cleanup()