70 	wait_queue_head_t fault_pending_wqh;  member
217 		VM_BUG_ON(spin_is_locked(&ctx->fault_pending_wqh.lock));  in userfaultfd_ctx_put()
218 		VM_BUG_ON(waitqueue_active(&ctx->fault_pending_wqh));  in userfaultfd_ctx_put()
537 	spin_lock_irq(&ctx->fault_pending_wqh.lock);  in handle_userfault()
542 	__add_wait_queue(&ctx->fault_pending_wqh, &uwq.wq);  in handle_userfault()
549 	spin_unlock_irq(&ctx->fault_pending_wqh.lock);  in handle_userfault()
580 		spin_lock_irq(&ctx->fault_pending_wqh.lock);  in handle_userfault()
586 		spin_unlock_irq(&ctx->fault_pending_wqh.lock);  in handle_userfault()
948 	spin_lock_irq(&ctx->fault_pending_wqh.lock);  in userfaultfd_release()
949 	__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL, &range);  in userfaultfd_release()
951 	spin_unlock_irq(&ctx->fault_pending_wqh.lock);  in userfaultfd_release()
983 	return find_userfault_in(&ctx->fault_pending_wqh);  in find_userfault()
1020 	if (waitqueue_active(&ctx->fault_pending_wqh))  in userfaultfd_poll()
1067 		spin_lock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
1107 			spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
1111 		spin_unlock(&ctx->fault_pending_wqh.lock);  in userfaultfd_ctx_read()
1245 	spin_lock_irq(&ctx->fault_pending_wqh.lock);  in __wake_userfault()
1247 	if (waitqueue_active(&ctx->fault_pending_wqh))  in __wake_userfault()
1248 		__wake_up_locked_key(&ctx->fault_pending_wqh, TASK_NORMAL,  in __wake_userfault()
1252 	spin_unlock_irq(&ctx->fault_pending_wqh.lock);  in __wake_userfault()
1278 		need_wakeup = waitqueue_active(&ctx->fault_pending_wqh) ||  in wake_userfault()
2136 	spin_lock_irq(&ctx->fault_pending_wqh.lock);  in userfaultfd_show_fdinfo()
2137 	list_for_each_entry(wq, &ctx->fault_pending_wqh.head, entry) {  in userfaultfd_show_fdinfo()
2144 	spin_unlock_irq(&ctx->fault_pending_wqh.lock);  in userfaultfd_show_fdinfo()
2173 	init_waitqueue_head(&ctx->fault_pending_wqh);  in init_once_userfaultfd_ctx()
2177 	seqcount_spinlock_init(&ctx->refile_seq, &ctx->fault_pending_wqh.lock);  in init_once_userfaultfd_ctx()