[v2,4/4] batman-adv: convert call_rcu(softif_neigh_free_rcu) to kfree_rcu
Commit Message
From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
The RCU callback softif_neigh_free_rcu() just calls kfree(), so we can
use kfree_rcu() instead of call_rcu().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Marek Lindner <lindner_marek@yahoo.de>
Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
Rebased on top of current master + newest version from Paul E. McKenney
soft-interface.c | 10 +---------
1 files changed, 1 insertions(+), 9 deletions(-)
Comments
Sven Eckelmann wrote:
> From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
> The RCU callback softif_neigh_free_rcu() just calls kfree(), so we can
> use kfree_rcu() instead of call_rcu().
>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Cc: Marek Lindner <lindner_marek@yahoo.de>
> Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
> Acked-by: David S. Miller <davem@davemloft.net>
> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
Linus applied it in 8e3572cff70ee19a0a1f2e2dde0bca0b7c8b54dc
Applied in 8bd9620
@@ -72,18 +72,10 @@ int my_skb_head_push(struct sk_buff *skb, unsigned int len)
return 0;
}
-static void softif_neigh_free_rcu(struct rcu_head *rcu)
-{
- struct softif_neigh *softif_neigh;
-
- softif_neigh = container_of(rcu, struct softif_neigh, rcu);
- kfree(softif_neigh);
-}
-
static void softif_neigh_free_ref(struct softif_neigh *softif_neigh)
{
if (atomic_dec_and_test(&softif_neigh->refcount))
- call_rcu(&softif_neigh->rcu, softif_neigh_free_rcu);
+ kfree_rcu(softif_neigh, rcu);
}
static void softif_neigh_vid_free_rcu(struct rcu_head *rcu)