99 static char *area_src, *area_src_alias, *area_dst, *area_dst_alias;  variable
316 			count = *area_count(area_dst, page_nr);  in locking_thread()
332 			if (!my_bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
344 			while (!bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
355 					page_nr, cpu, area_dst + page_nr * page_size,  in locking_thread()
363 		pthread_mutex_lock(area_mutex(area_dst, page_nr));  in locking_thread()
364 		count = *area_count(area_dst, page_nr);  in locking_thread()
372 		*area_count(area_dst, page_nr) = count_verify[page_nr] = count;  in locking_thread()
373 		pthread_mutex_unlock(area_mutex(area_dst, page_nr));  in locking_thread()
409 	uffdio_copy.dst = (unsigned long) area_dst + offset;  in __copy_page()
488 				area_dst;  in uffd_poll_thread()
506 			area_dst = (char *)(unsigned long)msg.arg.remap.to;  in uffd_poll_thread()
543 			 area_dst;  in uffd_read_thread()
736 		count = *area_count(area_dst, nr);  in faulting_process()
751 	area_dst = mremap(area_dst, nr_pages * page_size,  nr_pages * page_size,  in faulting_process()
753 	if (area_dst == MAP_FAILED)  in faulting_process()
757 		count = *area_count(area_dst, nr);  in faulting_process()
766 	if (uffd_test_ops->release_pages(area_dst))  in faulting_process()
770 		if (my_bcmp(area_dst + nr * page_size, zeropage, page_size))  in faulting_process()
805 	uffdio_zeropage.range.start = (unsigned long) area_dst + offset;  in __uffdio_zeropage()
859 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_zeropage_test()
864 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_zeropage_test()
878 		if (my_bcmp(area_dst, zeropage, page_size))  in userfaultfd_zeropage_test()
900 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_events_test()
909 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_events_test()
960 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
968 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_sig_test()
984 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
1026 	uffd_test_ops->allocate_area((void **)&area_dst);  in userfaultfd_stress()
1027 	if (!area_dst)  in userfaultfd_stress()
1099 		uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1147 		if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_stress()
1160 			uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1171 				if (*area_count(area_dst, nr) != count_verify[nr]) {  in userfaultfd_stress()
1185 		area_src = area_dst;  in userfaultfd_stress()
1186 		area_dst = tmp_area;  in userfaultfd_stress()