vmlinux object size
(delta in bytes from test_next-20171213 (41d8c16909ebda40f7b4982a7f5e2ad102705ade)):
   text     data      bss    total  kernel
 -76888   +12544        0   -64344  multi_v7_defconfig
-106848    +8384        0   -98464  tegra_defconfig