428 static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)  in __idx()  argument
430 	return (bud + zhdr->first_num) & BUDDY_MASK;  in __idx()
439 				enum buddy bud)  in __encode_handle()  argument
448 	if (bud == HEADLESS)  in __encode_handle()
452 	idx = __idx(zhdr, bud);  in __encode_handle()
454 	if (bud == LAST)  in __encode_handle()
463 static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)  in encode_handle()  argument
465 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
622 	enum buddy bud = HEADLESS;  in get_free_buddy()  local
627 			bud = FIRST;  in get_free_buddy()
629 			bud = LAST;  in get_free_buddy()
632 			bud = FIRST;  in get_free_buddy()
634 			bud = LAST;  in get_free_buddy()
636 			bud = MIDDLE;  in get_free_buddy()
639 	return bud;  in get_free_buddy()
1080 	enum buddy bud;  in z3fold_alloc()  local
1090 		bud = HEADLESS;  in z3fold_alloc()
1095 			bud = get_free_buddy(zhdr, chunks);  in z3fold_alloc()
1096 			if (bud == HEADLESS) {  in z3fold_alloc()
1109 		bud = FIRST;  in z3fold_alloc()
1137 	zhdr = init_z3fold_page(page, bud == HEADLESS, pool, gfp);  in z3fold_alloc()
1144 	if (bud == HEADLESS) {  in z3fold_alloc()
1161 	if (bud == FIRST)  in z3fold_alloc()
1163 	else if (bud == LAST)  in z3fold_alloc()
1179 	*handle = encode_handle(zhdr, bud);  in z3fold_alloc()
1181 	if (bud != HEADLESS)  in z3fold_alloc()
1201 	enum buddy bud;  in z3fold_free()  local
1226 	bud = handle_to_buddy(handle);  in z3fold_free()
1228 	switch (bud) {  in z3fold_free()
1239 		pr_err("%s: unknown bud %d\n", __func__, bud);  in z3fold_free()