HNS_ROCE_MAX_BT_REGION
struct list_head mid_bt[HNS_ROCE_MAX_BT_REGION][HNS_ROCE_MAX_BT_LEVEL];
} region[HNS_ROCE_MAX_BT_REGION];
struct hns_roce_buf_region region[HNS_ROCE_MAX_BT_REGION];
if (region_cnt > HNS_ROCE_MAX_BT_REGION) {
for (i = 0; i < HNS_ROCE_MAX_BT_REGION; i++)
for (i = 0; i < HNS_ROCE_MAX_BT_REGION; i++)
struct list_head branch[HNS_ROCE_MAX_BT_REGION];