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-rwxr-xr-xpackage/base-files/files/etc/init.d/sysctl16
1 files changed, 16 insertions, 0 deletions
diff --git a/package/base-files/files/etc/init.d/sysctl b/package/base-files/files/etc/init.d/sysctl
index 2dfbaf7a6e..a0daec071e 100755
--- a/package/base-files/files/etc/init.d/sysctl
+++ b/package/base-files/files/etc/init.d/sysctl
@@ -2,7 +2,23 @@
# 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=4096
+ 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