prefix="ionice -c 3 -t" # idle priority, ignore errors
fi
-$prefix find / -ignore_readdir_race \( -fstype proc -o -fstype sysfs \) -prune -o -nouser | head -n "$CUTOFF" > "$tmp"
+$prefix find / -ignore_readdir_race \( -fstype proc -o -fstype sysfs -o -fstype fdescfs \) -prune -o -nouser | head -n "$CUTOFF" > "$tmp"
if [ -s "$tmp" ]; then
echo "WARN"