446 static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)  in __idx()  argument
448 	return (bud + zhdr->first_num) & BUDDY_MASK;  in __idx()
457 				enum buddy bud)  in __encode_handle()  argument
466 	if (bud == HEADLESS)  in __encode_handle()
470 	idx = __idx(zhdr, bud);  in __encode_handle()
472 	if (bud == LAST)  in __encode_handle()
481 static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)  in encode_handle()  argument
483 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
639 	enum buddy bud = HEADLESS;  in get_free_buddy()  local
644 			bud = FIRST;  in get_free_buddy()
646 			bud = LAST;  in get_free_buddy()
649 			bud = FIRST;  in get_free_buddy()
651 			bud = LAST;  in get_free_buddy()
653 			bud = MIDDLE;  in get_free_buddy()
656 	return bud;  in get_free_buddy()
1095 	enum buddy bud;  in z3fold_alloc()  local
1105 		bud = HEADLESS;  in z3fold_alloc()
1110 			bud = get_free_buddy(zhdr, chunks);  in z3fold_alloc()
1111 			if (bud == HEADLESS) {  in z3fold_alloc()
1124 		bud = FIRST;  in z3fold_alloc()
1152 	zhdr = init_z3fold_page(page, bud == HEADLESS, pool, gfp);  in z3fold_alloc()
1159 	if (bud == HEADLESS) {  in z3fold_alloc()
1176 	if (bud == FIRST)  in z3fold_alloc()
1178 	else if (bud == LAST)  in z3fold_alloc()
1194 	*handle = encode_handle(zhdr, bud);  in z3fold_alloc()
1196 	if (bud != HEADLESS)  in z3fold_alloc()
1216 	enum buddy bud;  in z3fold_free()  local
1241 	bud = handle_to_buddy(handle);  in z3fold_free()
1243 	switch (bud) {  in z3fold_free()
1254 		pr_err("%s: unknown bud %d\n", __func__, bud);  in z3fold_free()