429 static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)  in __idx()  argument
431 	return (bud + zhdr->first_num) & BUDDY_MASK;  in __idx()
440 				enum buddy bud)  in __encode_handle()  argument
449 	if (bud == HEADLESS)  in __encode_handle()
453 	idx = __idx(zhdr, bud);  in __encode_handle()
455 	if (bud == LAST)  in __encode_handle()
464 static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)  in encode_handle()  argument
466 	return __encode_handle(zhdr, zhdr->slots, bud);  in encode_handle()
618 	enum buddy bud = HEADLESS;  in get_free_buddy()  local
623 			bud = FIRST;  in get_free_buddy()
625 			bud = LAST;  in get_free_buddy()
628 			bud = FIRST;  in get_free_buddy()
630 			bud = LAST;  in get_free_buddy()
632 			bud = MIDDLE;  in get_free_buddy()
635 	return bud;  in get_free_buddy()
1073 	enum buddy bud;  in z3fold_alloc()  local
1083 		bud = HEADLESS;  in z3fold_alloc()
1088 			bud = get_free_buddy(zhdr, chunks);  in z3fold_alloc()
1089 			if (bud == HEADLESS) {  in z3fold_alloc()
1100 		bud = FIRST;  in z3fold_alloc()
1107 	zhdr = init_z3fold_page(page, bud == HEADLESS, pool, gfp);  in z3fold_alloc()
1114 	if (bud == HEADLESS) {  in z3fold_alloc()
1130 	if (bud == FIRST)  in z3fold_alloc()
1132 	else if (bud == LAST)  in z3fold_alloc()
1148 	*handle = encode_handle(zhdr, bud);  in z3fold_alloc()
1150 	if (bud != HEADLESS)  in z3fold_alloc()
1170 	enum buddy bud;  in z3fold_free()  local
1195 	bud = handle_to_buddy(handle);  in z3fold_free()
1197 	switch (bud) {  in z3fold_free()
1208 		pr_err("%s: unknown bud %d\n", __func__, bud);  in z3fold_free()