openwrtv4/package/base-files/files/etc/init.d/sysctl
Felix Fietkau 25dab5d217 base-files: reduce vm.min_free_kbytes for devices with 32M RAM
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-09-16 16:44:45 +02:00

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#!/bin/sh /etc/rc.common
# Copyright (C) 2006 OpenWrt.org
START=11
set_vm_min_free() {
mem="$(grep MemTotal /proc/meminfo | awk '{print $2}')"
if [ "$mem" -gt 65536 ]; then # 128M
val=16384
elif [ "$mem" -gt 32768 ]; then # 64M
val=8192
elif [ "$mem" -gt 16384 ]; then # 32M
val=1024
else
return
fi
sysctl -qw vm.min_free_kbytes="$val"
}
start() {
set_vm_min_free
for CONF in /etc/sysctl.conf /etc/sysctl.d/*.conf; do
[ -f "$CONF" ] && sysctl -p "$CONF" -e >&-
done
}