43 	wait_queue_head_t fault_pending_wqh;  member
134 		VM_BUG_ON(spin_is_locked(&ctx->fault_pending_wqh.lock));  in userfaultfd_ctx_put()
135 		VM_BUG_ON(waitqueue_active(&ctx->fault_pending_wqh));  in userfaultfd_ctx_put()
341 	spin_lock(&ctx->fault_pending_wqh.lock);  in handle_userfault()
346 	__add_wait_queue(&ctx->fault_pending_wqh, &uwq.wq);  in handle_userfault()
354 	spin_unlock(&ctx->fault_pending_wqh.lock);  in handle_userfault()
407 		spin_lock(&ctx->fault_pending_wqh.lock);  in handle_userfault()
413 		spin_unlock(&ctx->fault_pending_wqh.lock);  in handle_userfault()
475 	spin_lock(&ctx->fault_pending_wqh.lock);  in userfaultfd_release()
476 	__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL, &range);  in userfaultfd_release()
478 	spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_release()
492 	VM_BUG_ON(!spin_is_locked(&ctx->fault_pending_wqh.lock));  in find_userfault()
495 	if (!waitqueue_active(&ctx->fault_pending_wqh))  in find_userfault()
498 	wq = list_last_entry(&ctx->fault_pending_wqh.task_list,  in find_userfault()
534 		if (waitqueue_active(&ctx->fault_pending_wqh))  in userfaultfd_poll()
554 		spin_lock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
594 			spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
598 		spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
656 	spin_lock(&ctx->fault_pending_wqh.lock);  in __wake_userfault()
658 	if (waitqueue_active(&ctx->fault_pending_wqh))  in __wake_userfault()
659 		__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL,  in __wake_userfault()
663 	spin_unlock(&ctx->fault_pending_wqh.lock);  in __wake_userfault()
689 		need_wakeup = waitqueue_active(&ctx->fault_pending_wqh) ||  in wake_userfault()
1207 	spin_lock(&ctx->fault_pending_wqh.lock);  in userfaultfd_show_fdinfo()
1208 	list_for_each_entry(wq, &ctx->fault_pending_wqh.task_list, task_list) {  in userfaultfd_show_fdinfo()
1217 	spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_show_fdinfo()
1246 	init_waitqueue_head(&ctx->fault_pending_wqh);  in init_once_userfaultfd_ctx()