From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932210Ab1EANaF (ORCPT ); Sun, 1 May 2011 09:30:05 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:60592 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757220Ab1EANWg (ORCPT ); Sun, 1 May 2011 09:22:36 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 63/86] net,rcu: convert call_rcu(net_generic_release) to kfree_rcu() Date: Sun, 1 May 2011 06:21:43 -0700 Message-Id: <1304256126-26015-63-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110501132142.GA25494@linux.vnet.ibm.com> References: <20110501132142.GA25494@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan The rcu callback net_generic_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(net_generic_release). Signed-off-by: Lai Jiangshan Acked-by: David S. Miller Signed-off-by: Paul E. McKenney --- net/core/net_namespace.c | 10 +--------- 1 files changed, 1 insertions(+), 9 deletions(-) diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 3f86026..297bb92 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -27,14 +27,6 @@ EXPORT_SYMBOL(init_net); #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ -static void net_generic_release(struct rcu_head *rcu) -{ - struct net_generic *ng; - - ng = container_of(rcu, struct net_generic, rcu); - kfree(ng); -} - static int net_assign_generic(struct net *net, int id, void *data) { struct net_generic *ng, *old_ng; @@ -68,7 +60,7 @@ static int net_assign_generic(struct net *net, int id, void *data) memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*)); rcu_assign_pointer(net->gen, ng); - call_rcu(&old_ng->rcu, net_generic_release); + kfree_rcu(old_ng, rcu); assign: ng->ptr[id - 1] = data; return 0; -- 1.7.3.2