sched: set mc_power_savings=2 this feature packs tasks together and try to bind them to cpu0, which in theory will let cpu1 idle longer, thus improving battery life.
kernel:sched: LOAD_FREQ (4*HZ+61) avoids loadavg Moire
smp: patches from mainline 3.5 to hopefully help with hotplug efficiency

Conflicts:
	arch/arm/kernel/smp.c
	kernel/cpu.c