if test -n "$CGROUP_MNT_PER_SS"; then
for ss in "${CGROUP_SUBSYS[@]}"; do
$_MKDIR -p "$CGROUP_MNT/$ss"
- $_MOUNT -t cgroup -o "$ss" vserver "$CGROUP_MNT/$ss"
+ $_GREP -q "$CGROUP_MNT/$ss" /proc/mounts || \
+ $_MOUNT -t cgroup -o "$ss" vserver "$CGROUP_MNT/$ss"
done
else
oIFS="$IFS"