-. /etc/nvram.sh
-if [ "$1" != "failsafe" ]; then
- mount | grep jffs2 >&-
- if [ $? = 0 ] ; then
- if [ $(cat /proc/mtd | wc -l) = 6 ]; then
- echo 5 > /proc/sys/diag
- mtd unlock linux
- mtd erase OpenWrt
- jffs2root --move
- else
- mtd unlock rootfs
- mount -o remount,rw /dev/root /
- fi
- else
- if [ -z "$(nvram get no_root_swap)" ]; then
- mtd unlock OpenWrt
- mount -t jffs2 /dev/mtdblock/4 /jffs
- pivot_root /jffs /jffs/rom
- mount none /proc -t proc
- mount none /dev -t devfs
- umount /rom/proc rom/dev >&-
- fi
- fi
-fi
-mount none /tmp -t tmpfs -o nosuid,nodev,mode=1777,size=50%
+mount none /proc -t proc
+size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
+mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777