MLXSW_REG_SMID2_LEN
MLXSW_REG_DEFINE(smid2, MLXSW_REG_SMID2_ID, MLXSW_REG_SMID2_LEN);
smid2_pl = kmalloc(MLXSW_REG_SMID2_LEN, GFP_KERNEL);