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Arch-R/packages/sysutils/util-linux/init.d/32_swapfile
Stephan Raue da2966ca26 util-linux: dont set swappiness if not needed
Signed-off-by: Stephan Raue <stephan@openelec.tv>
2011-01-13 12:37:29 +01:00

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################################################################################
# Copyright (C) 2009-2010 OpenELEC.tv
# http://www.openelec.tv
#
# This Program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This Program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenELEC.tv; see the file COPYING. If not, write to
# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
# http://www.gnu.org/copyleft/gpl.html
################################################################################
#
# create and enable swapfile
#
# runlevels: openelec, textmode
(
INSTALLED_MEMORY=`cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2}'`
SWAP=`blkid -t TYPE="swap" -o device`
SWAPFILE="$HOME/.cache/swapfile"
if [ "$INSTALLED_MEMORY" -le "500000" ]; then
if [ -z "$SWAP" -a ! -f "$SWAPFILE" ]; then
progress "creating swapfile"
mkdir -p $HOME/.cache
dd if=/dev/zero of=$SWAPFILE bs=1024 count=262144 2>&1 > /dev/null
mkswap $SWAPFILE 2>&1 > /dev/null
fi
progress "enable swap"
[ -z "$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
fi
)&