Script for RAM optimization:
#!/system/bin/sh
if [ -e /sys/module/lowmemorykiller/parameters/minfree ]; then
echo "2560,4096,6144,12288,14336,18432" > /sys/module/lowmemorykiller/parameters/minfree
fi
if [ -e /proc/sys/vm/swappiness ]; then
echo "50" > /proc/sys/vm/swappiness
fi
if [ -e /proc/sys/vm/vfs_cache_pressure ]; then
echo "10" > /proc/sys/vm/vfs_cache_pressure
fi
if [ -e /proc/sys/vm/dirty_expire_centisecs ]; then
echo "500" > /proc/sys/vm/dirty_expire_centisecs
fi
if [ -e /proc/sys/vm/dirty_writeback_centisecs ]; then
echo "1000" > /proc/sys/vm/dirty_writeback_centisecs
fi
if [ -e /proc/sys/vm/dirty_ratio ]; then
echo "90" > /proc/sys/vm/dirty_ratio
fi
if [ -e /proc/sys/vm/dirty_backgroud_ratio ]; then
echo "5" > /proc/sys/vm/dirty_backgroud_ratio
fi
if [ -e /sys/module/lowmemorykiller/parameters/minfree ]; then
echo "2560,4096,6144,12288,14336,18432" > /sys/module/lowmemorykiller/parameters/minfree
fi
if [ -e /proc/sys/vm/swappiness ]; then
echo "50" > /proc/sys/vm/swappiness
fi
if [ -e /proc/sys/vm/vfs_cache_pressure ]; then
echo "10" > /proc/sys/vm/vfs_cache_pressure
fi
if [ -e /proc/sys/vm/dirty_expire_centisecs ]; then
echo "500" > /proc/sys/vm/dirty_expire_centisecs
fi
if [ -e /proc/sys/vm/dirty_writeback_centisecs ]; then
echo "1000" > /proc/sys/vm/dirty_writeback_centisecs
fi
if [ -e /proc/sys/vm/dirty_ratio ]; then
echo "90" > /proc/sys/vm/dirty_ratio
fi
if [ -e /proc/sys/vm/dirty_backgroud_ratio ]; then
echo "5" > /proc/sys/vm/dirty_backgroud_ratio
fi
Script for SD card optimization:
#!/system/bin/sh
if [ -e /sys/devices/virtual/bdi/179:0/read_ahead_kb ]
then
/system/xbin/echo "2048" > /sys/devices/virtual/bdi/179:0/read_ahead_kb;
fi;
if [ -e /sys/devices/virtual/bdi/179:0/read_ahead_kb ]
then
/system/xbin/echo "2048" > /sys/devices/virtual/bdi/179:0/read_ahead_kb;
fi;