397 static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy,  in retry_copy_page()  argument
403 	if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) {  in retry_copy_page()
414 static int __copy_page(int ufd, unsigned long offset, bool retry)  in __copy_page()  argument
426 	if (ioctl(ufd, UFFDIO_COPY, &uffdio_copy)) {  in __copy_page()
437 			retry_copy_page(ufd, &uffdio_copy, offset);  in __copy_page()
444 static int copy_page_retry(int ufd, unsigned long offset)  in copy_page_retry()  argument
446 	return __copy_page(ufd, offset, true);  in copy_page_retry()
449 static int copy_page(int ufd, unsigned long offset)  in copy_page()  argument
451 	return __copy_page(ufd, offset, false);  in copy_page()
454 static int uffd_read_msg(int ufd, struct uffd_msg *msg)  in uffd_read_msg()  argument
533 			uffd = msg.arg.fork.ufd;  in uffd_poll_thread()
799 static void retry_uffdio_zeropage(int ufd,  in retry_uffdio_zeropage()  argument
806 	if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) {  in retry_uffdio_zeropage()
816 static int __uffdio_zeropage(int ufd, unsigned long offset, bool retry)  in __uffdio_zeropage()  argument
830 	ret = ioctl(ufd, UFFDIO_ZEROPAGE, &uffdio_zeropage);  in __uffdio_zeropage()
853 				retry_uffdio_zeropage(ufd, &uffdio_zeropage,  in __uffdio_zeropage()
867 static int uffdio_zeropage(int ufd, unsigned long offset)  in uffdio_zeropage()  argument
869 	return __uffdio_zeropage(ufd, offset, false);  in uffdio_zeropage()