21 static inline u64 get_size(int order, u64 chunk_size)  in get_size()  argument
23 	return (1 << order) * chunk_size;  in get_size()
49 …kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=…  in __dump_block()
227 		unsigned int order;  in check_mm()  local
243 		order = drm_buddy_block_order(root);  in check_mm()
246 			if (order != mm->max_order) {  in check_mm()
247 				kunit_err(test, "max order root missing\n");  in check_mm()
267 		block = list_first_entry_or_null(&mm->free_list[order],  in check_mm()
270 			kunit_err(test, "root mismatch at order=%u\n", order);  in check_mm()
330 	int order, top;  in drm_test_buddy_alloc_pathological()  local
338 	 * order within. This should leave the mm with exactly one  in drm_test_buddy_alloc_pathological()
357 		for (order = top; order--;) {  in drm_test_buddy_alloc_pathological()
358 			size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pathological()
362 					"buddy_alloc hit -ENOMEM with order=%d, top=%d\n",  in drm_test_buddy_alloc_pathological()
363 					order, top);  in drm_test_buddy_alloc_pathological()
385 							  "buddy_alloc unexpectedly succeeded at top-order %d/%d, it should be full!",  in drm_test_buddy_alloc_pathological()
392 	for (order = 1; order <= max_order; order++) {  in drm_test_buddy_alloc_pathological()
393 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pathological()
396 							  "buddy_alloc unexpectedly succeeded at order %d, it should be full!",  in drm_test_buddy_alloc_pathological()
397 							  order);  in drm_test_buddy_alloc_pathological()
410 	int *order;  in drm_test_buddy_alloc_smoke()  local
421 	order = drm_random_order(mm.max_order + 1, &prng);  in drm_test_buddy_alloc_smoke()
422 	KUNIT_ASSERT_TRUE(test, order);  in drm_test_buddy_alloc_smoke()
426 		int max_order = order[i];  in drm_test_buddy_alloc_smoke()
431 		int order, err;  in drm_test_buddy_alloc_smoke()  local
436 		order = max_order;  in drm_test_buddy_alloc_smoke()
441 			size = get_size(order, chunk_size);  in drm_test_buddy_alloc_smoke()
445 					KUNIT_FAIL(test, "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_smoke()
446 						   order);  in drm_test_buddy_alloc_smoke()
448 					if (order--) {  in drm_test_buddy_alloc_smoke()
453 					KUNIT_FAIL(test, "buddy_alloc with order=%d failed\n",  in drm_test_buddy_alloc_smoke()
454 						   order);  in drm_test_buddy_alloc_smoke()
464 			KUNIT_EXPECT_EQ_MSG(test, drm_buddy_block_order(block), order,  in drm_test_buddy_alloc_smoke()
465 					    "buddy_alloc order mismatch\n");  in drm_test_buddy_alloc_smoke()
491 	kfree(order);  in drm_test_buddy_alloc_smoke()
502 	unsigned int order;  in drm_test_buddy_alloc_pessimistic()  local
508 	 * order within. This should leave the mm with exactly one  in drm_test_buddy_alloc_pessimistic()
518 	for (order = 0; order < max_order; order++) {  in drm_test_buddy_alloc_pessimistic()
519 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
522 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
523 							   order);  in drm_test_buddy_alloc_pessimistic()
543 	for (order = max_order; order--;) {  in drm_test_buddy_alloc_pessimistic()
544 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
555 	order = 1;  in drm_test_buddy_alloc_pessimistic()
560 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
563 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
564 							   order);  in drm_test_buddy_alloc_pessimistic()
571 		order++;  in drm_test_buddy_alloc_pessimistic()
578 						   "buddy_alloc (realloc) hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
599 	int order;  in drm_test_buddy_alloc_optimistic()  local
602 	 * Create a mm with one block of each order available, and  in drm_test_buddy_alloc_optimistic()
613 	for (order = 0; order <= max_order; order++) {  in drm_test_buddy_alloc_optimistic()
614 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_optimistic()
617 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_optimistic()
618 							   order);  in drm_test_buddy_alloc_optimistic()
716 			    "block order(%d) != %d\n",  in drm_test_buddy_alloc_limit()