Boot-time memory difference
(delta in bytes from test_v3.18-rc6 (5d01410fe4d92081f349b013a2e7a95429e4f2c9))
  avail  rsrvd   high  freed  board          kconfig
    -4k     4k      .      .  2430sdp        omap2plus_defconfig
    -4k     4k      .      .  3730beaglexm   omap2plus_defconfig
    -4k     4k      .      .  3730es12beaglexmomap2plus_defconfig
     8k    -8k      .    -4k  am335xbone     omap2plus_defconfig_am33xx_only