cgroups: Initialize cgroups at startup.

    write /proc/sys/kernel/sched_latency_ns 10000000

    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000

# Create cgroup mount points for process groups

    mkdir /dev/cpuctl

    mount cgroup none /dev/cpuctl cpu

    chown sytem system /dev/cpuctl

    chown system system /dev/cpuctl/tasks

    chmod 0777 /dev/cpuctl/tasks

    write /dev/cpuctl/cpu.shares 1024

    mkdir /dev/cpuctl/fg_boost

    chown system system /dev/cpuctl/fg_boost/tasks

    chmod 0777 /dev/cpuctl/fg_boost/tasks

    write /dev/cpuctl/fg_boost/cpu.shares 1024

    mkdir /dev/cpuctl/bg_non_interactive

    chown system system /dev/cpuctl/bg_non_interactive/tasks

    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks

    write /dev/cpuctl/bg_non_interactive/cpu.shares 1024

# mount mtd partitions

    # Mount /system rw first to give the filesystem a chance to save a checkpoint

    mount yaffs2 mtd@system /system