231 #define  pagemap_check_wp(value, wp) do {				\  argument
232 		if (!!(value & PM_UFFD_WP) != wp)			\
233 			err("pagemap uffd-wp bit error: 0x%"PRIx64, value); \
337 		 * After fork(), we should handle uffd-wp bit differently:  in pagemap_test_fork()
425 		uffd_test_fail("Detected %s uffd-wp bit in child in present pte",  in uffd_wp_fork_test_common()
452 	/* Uffd-wp should persist even swapped out */  in uffd_wp_fork_test_common()
456 		uffd_test_fail("Detected %s uffd-wp bit in child in zapped pte",  in uffd_wp_fork_test_common()
515 		uffd_test_fail("Detected %s uffd-wp bit in early CoW of fork()",  in uffd_wp_fork_pin_test_common()
528 		uffd_test_fail("Detected %s uffd-wp bit when RO pin",  in uffd_wp_fork_pin_test_common()
572 	 * NOTE: MADV_COLLAPSE is not yet compatible with WP, so testing  in uffd_minor_test_common()
578 			  /* NOTE! MADV_COLLAPSE may not work with uffd-wp */  in uffd_minor_test_common()
678 static int faulting_process(int signal_test, bool wp)  in faulting_process()  argument
713 						if (copy_page(uffd, offset, wp))  in faulting_process()
716 						/* This is a WP request */  in faulting_process()
774 static void uffd_sigbus_test_common(bool wp)  in uffd_sigbus_test_common()  argument
788 			  true, wp, false))  in uffd_sigbus_test_common()
791 	if (faulting_process(1, wp))  in uffd_sigbus_test_common()
796 	args.apply_wp = wp;  in uffd_sigbus_test_common()
808 		exit(faulting_process(2, wp));  in uffd_sigbus_test_common()
834 static void uffd_events_test_common(bool wp)  in uffd_events_test_common()  argument
846 			  true, wp, false))  in uffd_events_test_common()
849 	args.apply_wp = wp;  in uffd_events_test_common()
861 		exit(faulting_process(0, wp));  in uffd_events_test_common()
1272 do_register_ioctls_test(uffd_test_args_t *args, bool miss, bool wp, bool minor)  in do_register_ioctls_test()  argument
1279 					miss, wp, minor, &ioctls);  in do_register_ioctls_test()
1289 	    (!miss && !wp && !minor)) {  in do_register_ioctls_test()
1291 			err("register (miss=%d, wp=%d, minor=%d) failed "  in do_register_ioctls_test()
1292 			    "with wrong errno=%d", miss, wp, minor, ret);  in do_register_ioctls_test()
1299 	if (wp)  in do_register_ioctls_test()
1306 		    "(miss=%d, wp=%d, minor=%d): expected=0x%"PRIx64", "  in do_register_ioctls_test()
1307 		    "returned=0x%"PRIx64, miss, wp, minor, expected, ioctls);  in do_register_ioctls_test()
1315 	int miss, wp, minor;  in uffd_register_ioctls_test()  local
1318 		for (wp = 0; wp <= 1; wp++)  in uffd_register_ioctls_test()
1320 				do_register_ioctls_test(args, miss, wp, minor);  in uffd_register_ioctls_test()
1366 		.name = "wp-fork",
1373 		.name = "wp-fork-with-event",
1378 		/* when set, child process should inherit uffd-wp bits */
1382 		.name = "wp-fork-pin",
1389 		.name = "wp-fork-pin-with-event",
1394 		/* when set, child process should inherit uffd-wp bits */
1398 		.name = "wp-unpopulated",
1412 		.name = "minor-wp",
1441 		.name = "sigbus-wp",
1456 		.name = "events-wp",