net_sched: act_gact: make tcfg_pval non zero
First step for gact RCU operation : Instead of testing if tcfg_pval is zero or not, just make it 1. No change in behavior, but slightly faster code. The smp_rmb()/smp_wmb() barriers, while not strictly needed at this stage are added for upcoming spinlock removal. Signed-off-by: NEric Dumazet <edumazet@google.com> Acked-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NJamal Hadi Salim <jhs@mojatatu.com> Acked-by: NJohn Fastabend <john.fastabend@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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