vmlinux object size
(delta in bytes from test_v4.15-rc9 (0c5b9b5d9adbad4b60491f9ba0d2af38904bb4b9)):
   text     data      bss    total  kernel
   +688      -12        0     +676  multi_v7_defconfig
   +676      -12        0     +664  tegra_defconfig