ipc,rcu: Convert call_rcu(free_un) to kfree_rcu()

The rcu callback free_un() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(free_un).

Signed-off-by: Lai Jiangshan <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Manfred Spraul <[email protected]>
Reviewed-by: Josh Triplett <[email protected]>
1 file changed