230 #define  pagemap_check_wp(value, wp) do {				\  argument
231 		if (!!(value & PM_UFFD_WP) != wp)			\
232 			err("pagemap uffd-wp bit error: 0x%"PRIx64, value); \
336 		 * After fork(), we should handle uffd-wp bit differently:  in pagemap_test_fork()
424 		uffd_test_fail("Detected %s uffd-wp bit in child in present pte",  in uffd_wp_fork_test_common()
451 	/* Uffd-wp should persist even swapped out */  in uffd_wp_fork_test_common()
455 		uffd_test_fail("Detected %s uffd-wp bit in child in zapped pte",  in uffd_wp_fork_test_common()
514 		uffd_test_fail("Detected %s uffd-wp bit in early CoW of fork()",  in uffd_wp_fork_pin_test_common()
527 		uffd_test_fail("Detected %s uffd-wp bit when RO pin",  in uffd_wp_fork_pin_test_common()
571 	 * NOTE: MADV_COLLAPSE is not yet compatible with WP, so testing  in uffd_minor_test_common()
577 			  /* NOTE! MADV_COLLAPSE may not work with uffd-wp */  in uffd_minor_test_common()
677 static int faulting_process(int signal_test, bool wp)  in faulting_process()  argument
712 						if (copy_page(uffd, offset, wp))  in faulting_process()
715 						/* This is a WP request */  in faulting_process()
773 static void uffd_sigbus_test_common(bool wp)  in uffd_sigbus_test_common()  argument
787 			  true, wp, false))  in uffd_sigbus_test_common()
790 	if (faulting_process(1, wp))  in uffd_sigbus_test_common()
795 	args.apply_wp = wp;  in uffd_sigbus_test_common()
807 		exit(faulting_process(2, wp));  in uffd_sigbus_test_common()
833 static void uffd_events_test_common(bool wp)  in uffd_events_test_common()  argument
845 			  true, wp, false))  in uffd_events_test_common()
848 	args.apply_wp = wp;  in uffd_events_test_common()
860 		exit(faulting_process(0, wp));  in uffd_events_test_common()
1271 do_register_ioctls_test(uffd_test_args_t *args, bool miss, bool wp, bool minor)  in do_register_ioctls_test()  argument
1278 					miss, wp, minor, &ioctls);  in do_register_ioctls_test()
1288 	    (!miss && !wp && !minor)) {  in do_register_ioctls_test()
1290 			err("register (miss=%d, wp=%d, minor=%d) failed "  in do_register_ioctls_test()
1291 			    "with wrong errno=%d", miss, wp, minor, ret);  in do_register_ioctls_test()
1298 	if (wp)  in do_register_ioctls_test()
1305 		    "(miss=%d, wp=%d, minor=%d): expected=0x%"PRIx64", "  in do_register_ioctls_test()
1306 		    "returned=0x%"PRIx64, miss, wp, minor, expected, ioctls);  in do_register_ioctls_test()
1314 	int miss, wp, minor;  in uffd_register_ioctls_test()  local
1317 		for (wp = 0; wp <= 1; wp++)  in uffd_register_ioctls_test()
1319 				do_register_ioctls_test(args, miss, wp, minor);  in uffd_register_ioctls_test()
1365 		.name = "wp-fork",
1372 		.name = "wp-fork-with-event",
1377 		/* when set, child process should inherit uffd-wp bits */
1381 		.name = "wp-fork-pin",
1388 		.name = "wp-fork-pin-with-event",
1393 		/* when set, child process should inherit uffd-wp bits */
1397 		.name = "wp-unpopulated",
1411 		.name = "minor-wp",
1440 		.name = "sigbus-wp",
1455 		.name = "events-wp",