rootdir: Change sysfs permissions to allow user control ksm

    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040

    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680

# allow system to modify ksm control files

    chown root system /sys/kernel/mm/ksm/pages_to_scan

    chmod 0664 /sys/kernel/mm/ksm/pages_to_scan

    chown root system /sys/kernel/mm/ksm/sleep_millisecs

    chmod 0664 /sys/kernel/mm/ksm/sleep_millisecs

    chown root system /sys/kernel/mm/ksm/run

    chmod 0664 /sys/kernel/mm/ksm/run

    write /sys/kernel/mm/ksm/sleep_millisecs 1500

    write /sys/kernel/mm/ksm/pages_to_scan 256

# Set this property so surfaceflinger is not started by system_init

    setprop system_init.startsurfaceflinger 0