sk_drops_read
sk_drops_read(sk) : 0;
mem[SK_MEMINFO_DROPS] = sk_drops_read(sk);
sk_drops_read(sp));
refcount_read(&sp->sk_refcnt), sp, sk_drops_read(sp));
dropcount = sock_flag(sk, SOCK_RXQ_OVFL) ? sk_drops_read(sk) : 0;
sk_drops_read(sp));
sk_drops_read(sp));
sk_drops_read(s),
sk_drops_read(sk));
mem[SK_MEMINFO_DROPS] = sk_drops_read(sk);
sk_drops_read(sk)))