Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 10/47] ipv4: Convert call_rcu() to kfree_rcu(), drop opt_kfree_rcu | Date | Fri, 3 Feb 2012 17:44:45 -0800 |
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From: "Paul E. McKenney" <paul.mckenney@linaro.org>
The call_rcu() in do_ip_setsockopt() invokes opt_kfree_rcu(), which just calls kfree(). So convert the call_rcu() to kfree_rcu(), which allows opt_kfree_rcu() to be eliminated.
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: David S. Miller <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Cc: netdev@vger.kernel.org --- net/ipv4/ip_sockglue.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 8aa87c1..5343d9a 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -445,11 +445,6 @@ out: } -static void opt_kfree_rcu(struct rcu_head *head) -{ - kfree(container_of(head, struct ip_options_rcu, rcu)); -} - /* * Socket option code for IP. This is the end of the line after any * TCP,UDP etc options on an IP socket. @@ -525,7 +520,7 @@ static int do_ip_setsockopt(struct sock *sk, int level, } rcu_assign_pointer(inet->inet_opt, opt); if (old) - call_rcu(&old->rcu, opt_kfree_rcu); + kfree_rcu(old, rcu); break; } case IP_PKTINFO: -- 1.7.8
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