Update cgroups

    write /proc/sys/kernel/kptr_restrict 2

    write /proc/sys/kernel/dmesg_restrict 1

    write /proc/sys/vm/mmap_min_addr 32768

    write /proc/sys/kernel/sched_rt_runtime_us 950000

    write /proc/sys/kernel/sched_rt_period_us 1000000

# Create cgroup mount points for process groups

    mkdir /dev/cpuctl

    mount cgroup none /dev/cpuctl cpu

    chown system system /dev/cpuctl

    chown system system /dev/cpuctl/tasks

    chmod 0777 /dev/cpuctl/tasks

    chmod 0660 /dev/cpuctl/tasks

    write /dev/cpuctl/cpu.shares 1024

    write /dev/cpuctl/cpu.rt_runtime_us 950000

    write /dev/cpuctl/cpu.rt_period_us 1000000

    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/foreground

    chown system system /dev/cpuctl/foreground/tasks

    chmod 0666 /dev/cpuctl/foreground/tasks

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

    write /dev/cpuctl/foreground/cpu.rt_runtime_us 0

    write /dev/cpuctl/foreground/cpu.rt_period_us 1000000

    mkdir /dev/cpuctl/bg_non_interactive

    chown system system /dev/cpuctl/bg_non_interactive/tasks

    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks

    chmod 0666 /dev/cpuctl/bg_non_interactive/tasks

    # 5.0 %

    write /dev/cpuctl/bg_non_interactive/cpu.shares 52

    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 0

    write /dev/cpuctl/bg_non_interactive/cpu.rt_period_us 1000000

    mkdir /dev/cpuctl/audio_app

    chown system system /dev/cpuctl/audio_app/tasks

    chmod 0660 /dev/cpuctl/audio_app/tasks

    write /dev/cpuctl/audio_app/cpu.shares 10

    write /dev/cpuctl/audio_app/cpu.rt_runtime_us  50000

    write /dev/cpuctl/audio_app/cpu.rt_period_us 1000000

    mkdir /dev/cpuctl/audio_sys

    chown system system /dev/cpuctl/audio_sys/tasks

    chmod 0660 /dev/cpuctl/audio_sys/tasks

    write /dev/cpuctl/audio_sys/cpu.shares 10

    write /dev/cpuctl/audio_sys/cpu.rt_runtime_us  50000

    write /dev/cpuctl/audio_sys/cpu.rt_period_us 1000000

# Allow everybody to read the xt_qtaguid resource tracking misc dev.

# This is needed by any process that uses socket tagging.

# Memory management.  Basic kernel parameters, and allow the high

# level system server to be able to adjust the kernel OOM driver

# paramters to match how it is managing things.

# parameters to match how it is managing things.

    write /proc/sys/vm/overcommit_memory 1

    write /proc/sys/vm/min_free_order_shift 4

    chown root system /sys/module/lowmemorykiller/parameters/adj