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()
139 static bool vmpressure_event(struct vmpressure *vmpr,  in vmpressure_event()  argument
148 	mutex_lock(&vmpr->events_lock);  in vmpressure_event()
150 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_event()
157 	mutex_unlock(&vmpr->events_lock);  in vmpressure_event()
164 	struct vmpressure *vmpr = work_to_vmpressure(work);  in vmpressure_work_fn()  local
168 	spin_lock(&vmpr->sr_lock);  in vmpressure_work_fn()
177 	scanned = vmpr->scanned;  in vmpressure_work_fn()
179 		spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
183 	reclaimed = vmpr->reclaimed;  in vmpressure_work_fn()
184 	vmpr->scanned = 0;  in vmpressure_work_fn()
185 	vmpr->reclaimed = 0;  in vmpressure_work_fn()
186 	spin_unlock(&vmpr->sr_lock);  in vmpressure_work_fn()
189 		if (vmpressure_event(vmpr, scanned, reclaimed))  in vmpressure_work_fn()
195 	} while ((vmpr = vmpressure_parent(vmpr)));  in vmpressure_work_fn()
214 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure()  local
241 	spin_lock(&vmpr->sr_lock);  in vmpressure()
242 	vmpr->scanned += scanned;  in vmpressure()
243 	vmpr->reclaimed += reclaimed;  in vmpressure()
244 	scanned = vmpr->scanned;  in vmpressure()
245 	spin_unlock(&vmpr->sr_lock);  in vmpressure()
249 	schedule_work(&vmpr->work);  in vmpressure()
299 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_register_event()  local
318 	mutex_lock(&vmpr->events_lock);  in vmpressure_register_event()
319 	list_add(&ev->node, &vmpr->events);  in vmpressure_register_event()
320 	mutex_unlock(&vmpr->events_lock);  in vmpressure_register_event()
339 	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);  in vmpressure_unregister_event()  local
342 	mutex_lock(&vmpr->events_lock);  in vmpressure_unregister_event()
343 	list_for_each_entry(ev, &vmpr->events, node) {  in vmpressure_unregister_event()
350 	mutex_unlock(&vmpr->events_lock);  in vmpressure_unregister_event()
360 void vmpressure_init(struct vmpressure *vmpr)  in vmpressure_init()  argument
362 	spin_lock_init(&vmpr->sr_lock);  in vmpressure_init()
363 	mutex_init(&vmpr->events_lock);  in vmpressure_init()
364 	INIT_LIST_HEAD(&vmpr->events);  in vmpressure_init()
365 	INIT_WORK(&vmpr->work, vmpressure_work_fn);  in vmpressure_init()
375 void vmpressure_cleanup(struct vmpressure *vmpr)  in vmpressure_cleanup()  argument
381 	flush_work(&vmpr->work);  in vmpressure_cleanup()