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Subject[PATCH 25/36] net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu()


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

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
net/netfilter/nf_conntrack_extend.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index bd82450..cc0bcda 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -68,12 +68,6 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, gfp_t gfp)
return (void *)(*ext) + off;
}

-static void __nf_ct_ext_free_rcu(struct rcu_head *head)
-{
- struct nf_ct_ext *ext = container_of(head, struct nf_ct_ext, rcu);
- kfree(ext);
-}
-
void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
{
struct nf_ct_ext *old, *new;
@@ -114,7 +108,7 @@ void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
(void *)old + old->offset[i]);
rcu_read_unlock();
}
- call_rcu(&old->rcu, __nf_ct_ext_free_rcu);
+ kfree_rcu(old, rcu);
ct->ext = new;
}

--
1.7.4

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