[BRIDGE]: Round off STP perodic timers.
Peroidic STP timers don't have to be exact. The hold timer runs at 1HZ, and the hello timer normally runs at 2HZ; save power by aligning it them to next second. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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071f772268
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net/bridge
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@ -178,7 +178,8 @@ void br_transmit_config(struct net_bridge_port *p)
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br_send_config_bpdu(p, &bpdu);
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p->topology_change_ack = 0;
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p->config_pending = 0;
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mod_timer(&p->hold_timer, jiffies + BR_HOLD_TIME);
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mod_timer(&p->hold_timer,
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round_jiffies(jiffies + BR_HOLD_TIME));
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}
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}
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@ -42,7 +42,7 @@ static void br_hello_timer_expired(unsigned long arg)
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if (br->dev->flags & IFF_UP) {
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br_config_bpdu_generation(br);
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mod_timer(&br->hello_timer, jiffies + br->hello_time);
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mod_timer(&br->hello_timer, round_jiffies(jiffies + br->hello_time));
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}
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spin_unlock(&br->lock);
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}
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