361 static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)  in __idx()  argument
363 	return (bud + zhdr->first_num) & BUDDY_MASK;  in __idx()
372 				enum buddy bud)  in __encode_handle()  argument
381 	if (bud == HEADLESS)  in __encode_handle()
385 	idx = __idx(zhdr, bud);  in __encode_handle()
387 	if (bud == LAST)  in __encode_handle()
396 static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)  in encode_handle()  argument
398 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
558 	enum buddy bud = HEADLESS;  in get_free_buddy()  local
563 			bud = FIRST;  in get_free_buddy()
565 			bud = LAST;  in get_free_buddy()
568 			bud = FIRST;  in get_free_buddy()
570 			bud = LAST;  in get_free_buddy()
572 			bud = MIDDLE;  in get_free_buddy()
575 	return bud;  in get_free_buddy()
1006 	enum buddy bud;  in z3fold_alloc()  local
1016 		bud = HEADLESS;  in z3fold_alloc()
1021 			bud = get_free_buddy(zhdr, chunks);  in z3fold_alloc()
1022 			if (bud == HEADLESS) {  in z3fold_alloc()
1032 		bud = FIRST;  in z3fold_alloc()
1039 	zhdr = init_z3fold_page(page, bud == HEADLESS, pool, gfp);  in z3fold_alloc()
1046 	if (bud == HEADLESS) {  in z3fold_alloc()
1062 	if (bud == FIRST)  in z3fold_alloc()
1064 	else if (bud == LAST)  in z3fold_alloc()
1074 	*handle = encode_handle(zhdr, bud);  in z3fold_alloc()
1076 	if (bud != HEADLESS)  in z3fold_alloc()
1096 	enum buddy bud;  in z3fold_free()  local
1118 	bud = handle_to_buddy(handle);  in z3fold_free()
1120 	switch (bud) {  in z3fold_free()
1131 		pr_err("%s: unknown bud %d\n", __func__, bud);  in z3fold_free()