[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>
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 0e035d6..e38034a 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -178,7 +178,8 @@
br_send_config_bpdu(p, &bpdu);
p->topology_change_ack = 0;
p->config_pending = 0;
- mod_timer(&p->hold_timer, jiffies + BR_HOLD_TIME);
+ mod_timer(&p->hold_timer,
+ round_jiffies(jiffies + BR_HOLD_TIME));
}
}
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index 24e0ca4..77f5255 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -42,7 +42,7 @@
if (br->dev->flags & IFF_UP) {
br_config_bpdu_generation(br);
- mod_timer(&br->hello_timer, jiffies + br->hello_time);
+ mod_timer(&br->hello_timer, round_jiffies(jiffies + br->hello_time));
}
spin_unlock(&br->lock);
}