88 static char *area_src, *area_src_alias, *area_dst, *area_dst_alias;  variable
403 			count = *area_count(area_dst, page_nr);  in locking_thread()
421 			if (!my_bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
434 			while (!bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
445 					page_nr, cpu, area_dst + page_nr * page_size,  in locking_thread()
453 		pthread_mutex_lock(area_mutex(area_dst, page_nr));  in locking_thread()
454 		count = *area_count(area_dst, page_nr);  in locking_thread()
462 		*area_count(area_dst, page_nr) = count_verify[page_nr] = count;  in locking_thread()
463 		pthread_mutex_unlock(area_mutex(area_dst, page_nr));  in locking_thread()
502 	uffdio_copy.dst = (unsigned long) area_dst + offset;  in __copy_page()
579 		offset = (char *)(unsigned long)msg->arg.pagefault.address - area_dst;  in uffd_handle_page_fault()
649 			area_dst = (char *)(unsigned long)msg.arg.remap.to;  in uffd_poll_thread()
695 		wp_range(uffd, (unsigned long)area_dst + start_nr * page_size,  in background_thread()
885 							 (__u64)area_dst +  in faulting_process()
896 		count = *area_count(area_dst, nr);  in faulting_process()
907 		*area_count(area_dst, nr) = count;  in faulting_process()
916 	area_dst = mremap(area_dst, nr_pages * page_size,  nr_pages * page_size,  in faulting_process()
918 	if (area_dst == MAP_FAILED) {  in faulting_process()
924 		count = *area_count(area_dst, nr);  in faulting_process()
935 		*area_count(area_dst, nr) = count;  in faulting_process()
938 	if (uffd_test_ops->release_pages(area_dst))  in faulting_process()
942 		if (my_bcmp(area_dst + nr * page_size, zeropage, page_size)) {  in faulting_process()
982 	uffdio_zeropage.range.start = (unsigned long) area_dst + offset;  in __uffdio_zeropage()
1040 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_zeropage_test()
1045 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_zeropage_test()
1064 		if (my_bcmp(area_dst, zeropage, page_size)) {  in userfaultfd_zeropage_test()
1088 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_events_test()
1097 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_events_test()
1161 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
1169 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_sig_test()
1190 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
1241 	uffd_test_ops->allocate_area((void **)&area_dst);  in userfaultfd_stress()
1242 	if (!area_dst)  in userfaultfd_stress()
1314 		uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1364 		if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_stress()
1375 			wp_range(uffd, (unsigned long)area_dst,  in userfaultfd_stress()
1384 			uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1395 				if (*area_count(area_dst, nr) != count_verify[nr]) {  in userfaultfd_stress()
1409 		area_src = area_dst;  in userfaultfd_stress()
1410 		area_dst = tmp_area;  in userfaultfd_stress()