8 #define __exp2index(exp) (exp - 12)  macro
59     __buddy_add_region_obj(__exp2index(exp - 1), region);  in __buddy_split()
60     __buddy_add_region_obj(__exp2index(exp - 1), new_region);  in __buddy_split()
84     __buddy_add_region_obj(__exp2index(exp + 1), x);  in __buddy_merge_blocks()
97     if (unlikely(list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head)))  in __buddy_pop_region()
99 …uddy_addr_region *r = container_of(list_next(&__mmio_pool.free_regions[__exp2index(exp)].list_head…  in __buddy_pop_region()
103     --__mmio_pool.free_regions[__exp2index(exp)].num_free;  in __buddy_pop_region()
117     if (unlikely(list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head)))  in __find_buddy()
121     struct List *list = &__mmio_pool.free_regions[__exp2index(exp)].list_head;  in __find_buddy()
129     } while (list_next(list) != &__mmio_pool.free_regions[__exp2index(exp)].list_head);  in __find_buddy()
140     struct __mmio_free_region_list *free_list = &__mmio_pool.free_regions[__exp2index(exp)];  in __buddy_merge()
181     if (!list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head))  in mmio_buddy_query_addr_region()
188 …           list_empty(&__mmio_pool.free_regions[__exp2index(cur_exp)].list_head))) // 一直寻找到有空闲空间的链表  in mmio_buddy_query_addr_region()
201     if (!list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head))  in mmio_buddy_query_addr_region()
208     if (!list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head))  in mmio_buddy_query_addr_region()
233     __buddy_add_region_obj(__exp2index(exp), region);  in __mmio_buddy_give_back()