59 	wait_queue_head_t fd_wqh;  member
178 		VM_BUG_ON(spin_is_locked(&ctx->fd_wqh.lock));  in userfaultfd_ctx_put()
179 		VM_BUG_ON(waitqueue_active(&ctx->fd_wqh));  in userfaultfd_ctx_put()
520 		wake_up_poll(&ctx->fd_wqh, EPOLLIN);  in handle_userfault()
603 		wake_up_poll(&ctx->fd_wqh, EPOLLIN);  in userfaultfd_event_wait_completion()
917 	wake_up_poll(&ctx->fd_wqh, EPOLLHUP);  in userfaultfd_release()
958 	poll_wait(file, &ctx->fd_wqh, wait);  in userfaultfd_poll()
1024 	spin_lock_irq(&ctx->fd_wqh.lock);  in userfaultfd_ctx_read()
1025 	__add_wait_queue(&ctx->fd_wqh, &wait);  in userfaultfd_ctx_read()
1110 		spin_unlock_irq(&ctx->fd_wqh.lock);  in userfaultfd_ctx_read()
1112 		spin_lock_irq(&ctx->fd_wqh.lock);  in userfaultfd_ctx_read()
1114 	__remove_wait_queue(&ctx->fd_wqh, &wait);  in userfaultfd_ctx_read()
1116 	spin_unlock_irq(&ctx->fd_wqh.lock);  in userfaultfd_ctx_read()
2076 	init_waitqueue_head(&ctx->fd_wqh);  in init_once_userfaultfd_ctx()