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Martin Josefsson authored
Only update the conntrack timer if there's been at least HZ jiffies since the last update. Reduces the number of del_timer/add_timer cycles from one per packet to one per connection per second (plus once for each state change of a connection) Should handle timer wraparounds and connection timeout changes. Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: Patrick McHardy <kaber@trash.net>
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