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cefcb60201
The RCU callback xt_rateest_free_rcu() just calls kfree(), so we can use kfree_rcu() instead of call_rcu(). This also allows us to dispense with an rcu_barrier() call, speeding up unloading of this module. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Patrick McHardy <kaber@trash.net> Reviewed-by: Josh Triplett <josh@joshtriplett.org>