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()
228 		unsigned int order;  in check_mm()  local
244 		order = drm_buddy_block_order(root);  in check_mm()
247 			if (order != mm->max_order) {  in check_mm()
248 				kunit_err(test, "max order root missing\n");  in check_mm()
268 		block = list_first_entry_or_null(&mm->free_list[order],  in check_mm()
271 			kunit_err(test, "root mismatch at order=%u\n", order);  in check_mm()
331 	int order, top;  in drm_test_buddy_alloc_pathological()  local
339 	 * order within. This should leave the mm with exactly one  in drm_test_buddy_alloc_pathological()
358 		for (order = top; order--;) {  in drm_test_buddy_alloc_pathological()
359 			size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pathological()
363 					"buddy_alloc hit -ENOMEM with order=%d, top=%d\n",  in drm_test_buddy_alloc_pathological()
364 					order, top);  in drm_test_buddy_alloc_pathological()
386 							  "buddy_alloc unexpectedly succeeded at top-order %d/%d, it should be full!",  in drm_test_buddy_alloc_pathological()
393 	for (order = 1; order <= max_order; order++) {  in drm_test_buddy_alloc_pathological()
394 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pathological()
397 							  "buddy_alloc unexpectedly succeeded at order %d, it should be full!",  in drm_test_buddy_alloc_pathological()
398 							  order);  in drm_test_buddy_alloc_pathological()
411 	int *order;  in drm_test_buddy_alloc_smoke()  local
422 	order = drm_random_order(mm.max_order + 1, &prng);  in drm_test_buddy_alloc_smoke()
423 	KUNIT_ASSERT_TRUE(test, order);  in drm_test_buddy_alloc_smoke()
427 		int max_order = order[i];  in drm_test_buddy_alloc_smoke()
432 		int order, err;  in drm_test_buddy_alloc_smoke()  local
437 		order = max_order;  in drm_test_buddy_alloc_smoke()
442 			size = get_size(order, chunk_size);  in drm_test_buddy_alloc_smoke()
446 					KUNIT_FAIL(test, "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_smoke()
447 						   order);  in drm_test_buddy_alloc_smoke()
449 					if (order--) {  in drm_test_buddy_alloc_smoke()
454 					KUNIT_FAIL(test, "buddy_alloc with order=%d failed\n",  in drm_test_buddy_alloc_smoke()
455 						   order);  in drm_test_buddy_alloc_smoke()
465 			KUNIT_EXPECT_EQ_MSG(test, drm_buddy_block_order(block), order,  in drm_test_buddy_alloc_smoke()
466 					    "buddy_alloc order mismatch\n");  in drm_test_buddy_alloc_smoke()
492 	kfree(order);  in drm_test_buddy_alloc_smoke()
503 	unsigned int order;  in drm_test_buddy_alloc_pessimistic()  local
509 	 * order within. This should leave the mm with exactly one  in drm_test_buddy_alloc_pessimistic()
519 	for (order = 0; order < max_order; order++) {  in drm_test_buddy_alloc_pessimistic()
520 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
523 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
524 							   order);  in drm_test_buddy_alloc_pessimistic()
544 	for (order = max_order; order--;) {  in drm_test_buddy_alloc_pessimistic()
545 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
556 	order = 1;  in drm_test_buddy_alloc_pessimistic()
561 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_pessimistic()
564 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
565 							   order);  in drm_test_buddy_alloc_pessimistic()
572 		order++;  in drm_test_buddy_alloc_pessimistic()
579 						   "buddy_alloc (realloc) hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_pessimistic()
600 	int order;  in drm_test_buddy_alloc_optimistic()  local
603 	 * Create a mm with one block of each order available, and  in drm_test_buddy_alloc_optimistic()
614 	for (order = 0; order <= max_order; order++) {  in drm_test_buddy_alloc_optimistic()
615 		size = get_size(order, PAGE_SIZE);  in drm_test_buddy_alloc_optimistic()
618 							   "buddy_alloc hit -ENOMEM with order=%d\n",  in drm_test_buddy_alloc_optimistic()
619 							   order);  in drm_test_buddy_alloc_optimistic()
717 			    "block order(%d) != %d\n",  in drm_test_buddy_alloc_limit()