Boot-time memory difference
(delta in bytes from test_v3.15-rc8 (fad01e866afdbe01a1f3ec06a39c3a8b9e197014))
  avail  rsrvd   high  freed  board          kconfig
    -4k     4k      .      .  2420n800       omap2plus_defconfig_n800_only_a
     4k    -4k      .      .  3530es3beagle  omap2plus_defconfig