Boot-time memory difference
(delta in bytes from test_v3.7-rc2 (6f0c0580b70c89094b3422ba81118c7b959c7556))
  avail  rsrvd   high  freed  board          kconfig
     8k    -8k      .      .  2420n800       omap2plus_defconfig
    -8k     8k      .      .  am335xbone     omap2plus_defconfig