Boot-time memory difference
(delta in bytes from test_v3.15-rc7 (c7208164e66f63e3ec1759b98087849286410741))
  avail  rsrvd   high  freed  board          kconfig
     4k    -4k      .      .  2420n800       omap2plus_defconfig_n800_only_a
    -4k     4k      .      .  3530es3beagle  omap2plus_defconfig
    -8k     8k      .      .  am335xbone     omap2plus_defconfig_am33xx_only