85 static char *area_src, *area_src_alias, *area_dst, *area_dst_alias;  variable
326 			count = *area_count(area_dst, page_nr);  in locking_thread()
342 			if (!my_bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
354 			while (!bcmp(area_dst + page_nr * page_size, zeropage,  in locking_thread()
365 					page_nr, cpu, area_dst + page_nr * page_size,  in locking_thread()
373 		pthread_mutex_lock(area_mutex(area_dst, page_nr));  in locking_thread()
374 		count = *area_count(area_dst, page_nr);  in locking_thread()
382 		*area_count(area_dst, page_nr) = count_verify[page_nr] = count;  in locking_thread()
383 		pthread_mutex_unlock(area_mutex(area_dst, page_nr));  in locking_thread()
419 	uffdio_copy.dst = (unsigned long) area_dst + offset;  in __copy_page()
483 	offset = (char *)(unsigned long)msg->arg.pagefault.address - area_dst;  in uffd_handle_page_fault()
542 			area_dst = (char *)(unsigned long)msg.arg.remap.to;  in uffd_poll_thread()
756 		count = *area_count(area_dst, nr);  in faulting_process()
771 	area_dst = mremap(area_dst, nr_pages * page_size,  nr_pages * page_size,  in faulting_process()
773 	if (area_dst == MAP_FAILED)  in faulting_process()
777 		count = *area_count(area_dst, nr);  in faulting_process()
786 	if (uffd_test_ops->release_pages(area_dst))  in faulting_process()
790 		if (my_bcmp(area_dst + nr * page_size, zeropage, page_size))  in faulting_process()
825 	uffdio_zeropage.range.start = (unsigned long) area_dst + offset;  in __uffdio_zeropage()
879 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_zeropage_test()
884 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_zeropage_test()
898 		if (my_bcmp(area_dst, zeropage, page_size))  in userfaultfd_zeropage_test()
920 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_events_test()
929 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_events_test()
980 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
988 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_sig_test()
1004 	if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_sig_test()
1046 	uffd_test_ops->allocate_area((void **)&area_dst);  in userfaultfd_stress()
1047 	if (!area_dst)  in userfaultfd_stress()
1119 		uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1167 		if (uffd_test_ops->release_pages(area_dst))  in userfaultfd_stress()
1180 			uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1191 				if (*area_count(area_dst, nr) != count_verify[nr]) {  in userfaultfd_stress()
1205 		area_src = area_dst;  in userfaultfd_stress()
1206 		area_dst = tmp_area;  in userfaultfd_stress()