160 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_cleanup()  local
162 	head = &kvm->arch.track_notifier_head;  in kvm_page_track_cleanup()
163 	cleanup_srcu_struct(&head->track_srcu);  in kvm_page_track_cleanup()
168 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_init()  local
170 	head = &kvm->arch.track_notifier_head;  in kvm_page_track_init()
171 	INIT_HLIST_HEAD(&head->track_notifier_list);  in kvm_page_track_init()
172 	return init_srcu_struct(&head->track_srcu);  in kvm_page_track_init()
183 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_register_notifier()  local
185 	head = &kvm->arch.track_notifier_head;  in kvm_page_track_register_notifier()
188 	hlist_add_head_rcu(&n->node, &head->track_notifier_list);  in kvm_page_track_register_notifier()
201 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_unregister_notifier()  local
203 	head = &kvm->arch.track_notifier_head;  in kvm_page_track_unregister_notifier()
208 	synchronize_srcu(&head->track_srcu);  in kvm_page_track_unregister_notifier()
222 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_write()  local
226 	head = &vcpu->kvm->arch.track_notifier_head;  in kvm_page_track_write()
228 	if (hlist_empty(&head->track_notifier_list))  in kvm_page_track_write()
231 	idx = srcu_read_lock(&head->track_srcu);  in kvm_page_track_write()
232 	hlist_for_each_entry_srcu(n, &head->track_notifier_list, node,  in kvm_page_track_write()
233 				srcu_read_lock_held(&head->track_srcu))  in kvm_page_track_write()
236 	srcu_read_unlock(&head->track_srcu, idx);  in kvm_page_track_write()
248 	struct kvm_page_track_notifier_head *head;  in kvm_page_track_flush_slot()  local
252 	head = &kvm->arch.track_notifier_head;  in kvm_page_track_flush_slot()
254 	if (hlist_empty(&head->track_notifier_list))  in kvm_page_track_flush_slot()
257 	idx = srcu_read_lock(&head->track_srcu);  in kvm_page_track_flush_slot()
258 	hlist_for_each_entry_srcu(n, &head->track_notifier_list, node,  in kvm_page_track_flush_slot()
259 				srcu_read_lock_held(&head->track_srcu))  in kvm_page_track_flush_slot()
262 	srcu_read_unlock(&head->track_srcu, idx);  in kvm_page_track_flush_slot()