replicant-vendor_replicant/prebuilt/common/bin/compcache
William Graham 3f47346c30 Fix compcache
Change-Id: Ib36051d48c232dc7b0bd6fdbb782847ca5ae6398
2011-04-10 16:27:32 -05:00

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#!/system/bin/sh
#
# Compcache manager
# shade@chemlab.org (cyanogen)
#
isramzswap="$(find /system/lib/modules/ -name ramzswap.ko 2>/dev/null)"
isramzswapbuiltin="$(ls -l /dev/block/ramzswap0 2>/dev/null)"
if [ -n "$isramzswap$isramzswapbuiltin" ] ; then
MODULE=ramzswap
DEV=/dev/block/ramzswap0
else
DEV=/dev/block/zram0
MODULE=zram
SYSFS_PATH=/sys/block/zram0
fi
case "$1" in
start)
echo 3 > /proc/sys/vm/drop_caches
echo 30 > /proc/sys/vm/swappiness
modprobe $MODULE
if [ $MODULE = ramzswap ]; then
rzscontrol $DEV --disksize_kb=$2 --init
else
echo "$(($2 * 1024))" > $SYSFS_PATH/disksize
mkswap $DEV >/dev/null
fi
swapon $DEV
;;
stop)
swapoff $DEV >/dev/null 2>&1
rmmod $MODULE >/dev/null 2>&1
;;
stats)
if [ $MODULE = ramzswap ]; then
rzscontrol $DEV --stats
else
cd $SYSFS_PATH && for i in * ; do
echo -n "$i:"
cat $i
done
fi
;;
*)
echo "Usage: $0 {start <size>|stop|stats}"
exit 1
esac
exit 0