RATELIMIT_INITIALIZED
rs->flags &= ~RATELIMIT_INITIALIZED;
if (!(READ_ONCE(rs->flags) & RATELIMIT_INITIALIZED) || (!interval && !burst) ||
rs->flags &= ~RATELIMIT_INITIALIZED;
if (READ_ONCE(rs->flags) & RATELIMIT_INITIALIZED &&
if (!(rs->flags & RATELIMIT_INITIALIZED)) {
rs->flags |= RATELIMIT_INITIALIZED;