if [ -z "$(nvram get no_root_swap)" ]; then
is_clean || {
mtd erase OpenWrt
+ mtd unlock linux
jffs2root --clean
}
mtd unlock OpenWrt
mount none /tmp -t tmpfs -o nosuid,nodev,mode=1777,size=50%
mkdir -p /dev/pts
mount none /dev/pts -t devpts
+grep sysfs /proc/filesystems >&- && mount -t sysfs none /sys