226 static int lock_check(char *map)  in lock_check()  argument
231 	page1_flags = get_pageflags((unsigned long)map);  in lock_check()
232 	page2_flags = get_pageflags((unsigned long)map + page_size);  in lock_check()
251 	if (!is_vmflag_set((unsigned long)map, LOCKED)) {  in lock_check()
256 	if (!is_vmflag_set((unsigned long)map + page_size, LOCKED)) {  in lock_check()
264 static int unlock_lock_check(char *map)  in unlock_lock_check()  argument
269 	page1_flags = get_pageflags((unsigned long)map);  in unlock_lock_check()
270 	page2_flags = get_pageflags((unsigned long)map + page_size);  in unlock_lock_check()
279 	if (is_vmflag_set((unsigned long)map, LOCKED)) {  in unlock_lock_check()
284 	if (is_vmflag_set((unsigned long)map + page_size, LOCKED)) {  in unlock_lock_check()
294 	char *map;  in test_mlock_lock()  local
298 	map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE,  in test_mlock_lock()
300 	if (map == MAP_FAILED) {  in test_mlock_lock()
305 	if (mlock2_(map, 2 * page_size, 0)) {  in test_mlock_lock()
314 	if (lock_check(map))  in test_mlock_lock()
318 	if (munlock(map, 2 * page_size)) {  in test_mlock_lock()
323 	ret = unlock_lock_check(map);  in test_mlock_lock()
326 	munmap(map, 2 * page_size);  in test_mlock_lock()
331 static int onfault_check(char *map)  in onfault_check()  argument
336 	page1_flags = get_pageflags((unsigned long)map);  in onfault_check()
337 	page2_flags = get_pageflags((unsigned long)map + page_size);  in onfault_check()
345 	*map = 'a';  in onfault_check()
346 	page1_flags = get_pageflags((unsigned long)map);  in onfault_check()
347 	page2_flags = get_pageflags((unsigned long)map + page_size);  in onfault_check()
366 	if (!is_vma_lock_on_fault((unsigned long)map)) {  in onfault_check()
371 	if (!is_vma_lock_on_fault((unsigned long)map + page_size)) {  in onfault_check()
379 static int unlock_onfault_check(char *map)  in unlock_onfault_check()  argument
384 	page1_flags = get_pageflags((unsigned long)map);  in unlock_onfault_check()
392 	if (is_vma_lock_on_fault((unsigned long)map) ||  in unlock_onfault_check()
393 	    is_vma_lock_on_fault((unsigned long)map + page_size)) {  in unlock_onfault_check()
403 	char *map;  in test_mlock_onfault()  local
407 	map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE,  in test_mlock_onfault()
409 	if (map == MAP_FAILED) {  in test_mlock_onfault()
414 	if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) {  in test_mlock_onfault()
423 	if (onfault_check(map))  in test_mlock_onfault()
427 	if (munlock(map, 2 * page_size)) {  in test_mlock_onfault()
436 	ret = unlock_onfault_check(map);  in test_mlock_onfault()
438 	munmap(map, 2 * page_size);  in test_mlock_onfault()
445 	char *map;  in test_lock_onfault_of_present()  local
450 	map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE,  in test_lock_onfault_of_present()
452 	if (map == MAP_FAILED) {  in test_lock_onfault_of_present()
457 	*map = 'a';  in test_lock_onfault_of_present()
459 	if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) {  in test_lock_onfault_of_present()
468 	page1_flags = get_pageflags((unsigned long)map);  in test_lock_onfault_of_present()
469 	page2_flags = get_pageflags((unsigned long)map + page_size);  in test_lock_onfault_of_present()
479 	if (!is_vma_lock_on_fault((unsigned long)map) ||  in test_lock_onfault_of_present()
480 	    !is_vma_lock_on_fault((unsigned long)map + page_size)) {  in test_lock_onfault_of_present()
486 	munmap(map, 2 * page_size);  in test_lock_onfault_of_present()
493 	char *map;  in test_munlockall()  local
497 	map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE,  in test_munlockall()
500 	if (map == MAP_FAILED) {  in test_munlockall()
510 	if (lock_check(map))  in test_munlockall()
518 	if (unlock_lock_check(map))  in test_munlockall()
521 	munmap(map, 2 * page_size);  in test_munlockall()
523 	map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE,  in test_munlockall()
526 	if (map == MAP_FAILED) {  in test_munlockall()
536 	if (onfault_check(map))  in test_munlockall()
544 	if (unlock_onfault_check(map))  in test_munlockall()
552 	if (lock_check(map))  in test_munlockall()
560 	ret = unlock_lock_check(map);  in test_munlockall()
563 	munmap(map, 2 * page_size);  in test_munlockall()
572 	void *map;  in test_vma_management()  local
578 	map = mmap(NULL, 3 * page_size, PROT_READ | PROT_WRITE,  in test_vma_management()
580 	if (map == MAP_FAILED) {  in test_vma_management()
585 	if (call_mlock && mlock2_(map, 3 * page_size, MLOCK_ONFAULT)) {  in test_vma_management()
594 	if (get_vm_area((unsigned long)map, &page1) ||  in test_vma_management()
595 	    get_vm_area((unsigned long)map + page_size, &page2) ||  in test_vma_management()
596 	    get_vm_area((unsigned long)map + page_size * 2, &page3)) {  in test_vma_management()
612 	if (munlock(map + page_size, page_size)) {  in test_vma_management()
617 	if (get_vm_area((unsigned long)map, &page1) ||  in test_vma_management()
618 	    get_vm_area((unsigned long)map + page_size, &page2) ||  in test_vma_management()
619 	    get_vm_area((unsigned long)map + page_size * 2, &page3)) {  in test_vma_management()
631 	if (munlock(map, page_size * 3)) {  in test_vma_management()
636 	if (get_vm_area((unsigned long)map, &page1) ||  in test_vma_management()
637 	    get_vm_area((unsigned long)map + page_size, &page2) ||  in test_vma_management()
638 	    get_vm_area((unsigned long)map + page_size * 2, &page3)) {  in test_vma_management()
651 	munmap(map, 3 * page_size);  in test_vma_management()