vmlinux object size
(delta in bytes from test_v4.15-rc5 (464e1d5f23cca236b930ef068c328a64cab78fb1)):
   text     data      bss    total  kernel
  +2748     +408        0    +3156  multi_v7_defconfig
  +2368     +152        0    +2520  tegra_defconfig