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util-linux-ng: add support for handling swap partitions to init

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Signed-off-by: Stephan Raue <stephan@openelec.tv>
This commit is contained in:
Stephan Raue 2010-11-19 00:17:34 +01:00
parent 30542200df
commit 30ff848faa
1 changed files with 17 additions and 15 deletions
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30
packages/sysutils/util-linux-ng/init.d/09_swapfile
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@ -28,27 +28,29 @@
. /etc/profile
INSTALLED_MEMORY=`cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2}'`
SWAP=`blkid -t TYPE="swap" -o device`
SWAPFILE="$HOME/.cache/swapfile"
if [ $INSTALLED_MEMORY -le 500000 -a -f $HOME/.config/swapon ]; then
if [ ! -f $HOME/.cache/swapfile ]; then
if [ $INSTALLED_MEMORY -le 500000 ]; then
if [ -z "$SWAP" -a ! -f $SWAPFILE ]; then
progress "creating swapfile"
mkdir -p $HOME/.cache
dd if=/dev/zero of=$HOME/.cache/swapfile bs=1024 count=524288 2>&1 > /dev/null
mkswap $HOME/.cache/swapfile 2>&1 > /dev/null
dd if=/dev/zero of=$SWAPFILE bs=1024 count=262144 2>&1 > /dev/null
mkswap $SWAPFILE 2>&1 > /dev/null
fi
progress "enable swapfile"
swapon -p 10000 $HOME/.cache/swapfile
[ $INSTALLED_MEMORY -le 260000 ] \
&& sysctl -w vm.swappiness=100 2>&1 > /dev/null \
|| sysctl -w vm.swappiness=60 2>&1 > /dev/null
progress "enable swap"
[ -z "$SWAP" -a -f $SWAPFILE ] && SWAP=$SWAPFILE
for i in $SWAP; do
swapon -p 10000 $SWAP 2>&1 > /dev/null
done
if [ $INSTALLED_MEMORY -le 260000 ]; then
sysctl -w vm.swappiness=100 2>&1 > /dev/null
else
sysctl -w vm.swappiness=60 2>&1 > /dev/null
fi
else
sysctl -w vm.swappiness=0 2>&1 > /dev/null
fi