vmlinux object size
(delta in bytes from test_v4.15-rc2 (ae64f9bd1d3621b5e60d7363bc20afb46aede215)):
   text     data      bss    total  kernel
   +820     -128      +64     +756  multi_v7_defconfig
  +2120    +4108        0    +6228  tegra_defconfig