From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760639Ab1EANbk (ORCPT ); Sun, 1 May 2011 09:31:40 -0400 Received: from e1.ny.us.ibm.com ([32.97.182.141]:45012 "EHLO e1.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756981Ab1EANWf (ORCPT ); Sun, 1 May 2011 09:22:35 -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 51/86] net,rcu: convert call_rcu(ip_sf_socklist_reclaim) to kfree_rcu() Date: Sun, 1 May 2011 06:21:31 -0700 Message-Id: <1304256126-26015-51-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 ip_sf_socklist_reclaim() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(ip_sf_socklist_reclaim). Signed-off-by: Lai Jiangshan Acked-by: David S. Miller Signed-off-by: Paul E. McKenney --- net/ipv4/igmp.c | 12 +++--------- 1 files changed, 3 insertions(+), 9 deletions(-) diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index f22f30e..85a6e5d 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1830,12 +1830,6 @@ done: } EXPORT_SYMBOL(ip_mc_join_group); -static void ip_sf_socklist_reclaim(struct rcu_head *rp) -{ - kfree(container_of(rp, struct ip_sf_socklist, rcu)); - /* sk_omem_alloc should have been decreased by the caller*/ -} - static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml, struct in_device *in_dev) { @@ -1852,7 +1846,7 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml, rcu_assign_pointer(iml->sflist, NULL); /* decrease mem now to avoid the memleak warning */ atomic_sub(IP_SFLSIZE(psf->sl_max), &sk->sk_omem_alloc); - call_rcu(&psf->rcu, ip_sf_socklist_reclaim); + kfree_rcu(psf, rcu); return err; } @@ -2020,7 +2014,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct newpsl->sl_addr[i] = psl->sl_addr[i]; /* decrease mem now to avoid the memleak warning */ atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); - call_rcu(&psl->rcu, ip_sf_socklist_reclaim); + kfree_rcu(psl, rcu); } rcu_assign_pointer(pmc->sflist, newpsl); psl = newpsl; @@ -2121,7 +2115,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex) psl->sl_count, psl->sl_addr, 0); /* decrease mem now to avoid the memleak warning */ atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); - call_rcu(&psl->rcu, ip_sf_socklist_reclaim); + kfree_rcu(psl, rcu); } else (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, 0, NULL, 0); -- 1.7.3.2