SK_PACING_NEEDED
return smp_load_acquire(&sk->sk_pacing_status) == SK_PACING_NEEDED;
SK_PACING_NEEDED);
cmpxchg(&sk->sk_pacing_status, SK_PACING_NONE, SK_PACING_NEEDED);
SK_PACING_NEEDED);
sk->sk_pacing_status = SK_PACING_NEEDED;