RCUREF_RELEASED
return c >= RCUREF_RELEASED ? 0 : c + 1;
return (c >= RCUREF_RELEASED) && (c < RCUREF_NOREF);
if (cnt >= RCUREF_RELEASED) {
if (WARN_ONCE(cnt >= RCUREF_RELEASED, "rcuref - imbalanced put()")) {