android_vendor_lineage/prebuilt/common/bin/compcache

#!/system/bin/sh
#
# Compcache manager
# shade@chemlab.org (cyanogen)
#

DEV=/dev/block/zram0
SYSFS_PATH=/sys/block/zram0
MODULE=zram

case "$1" in
   start)
      echo 3 > /proc/sys/vm/drop_caches
      echo 30 > /proc/sys/vm/swappiness
      modprobe $MODULE
      echo "$2" > $SYSFS_PATH/disksize
      mkswap $DEV >/dev/null
      swapon $DEV
   ;;

   stop)
      swapoff $DEV >/dev/null 2>&1
      rmmod $MODULE >/dev/null 2>&1
   ;;
   stats)
     cd $SYSFS_PATH && for i in * ; do
         echo -n "$i:" 
         cat $i
     done
   ;;
   *)
      echo "Usage: $0 {start <size>|stop|stats}"
      exit 1
esac

exit 0