Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932292Ab2BATna (ORCPT ); Wed, 1 Feb 2012 14:43:30 -0500 Received: from e33.co.us.ibm.com ([32.97.110.151]:50713 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756759Ab2BATnY (ORCPT ); Wed, 1 Feb 2012 14:43:24 -0500 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, fweisbec@gmail.com, patches@linaro.org, "Paul E. McKenney" , "Paul E. McKenney" , "John W. Linville" , Johannes Berg , "David S. Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH RFC tip/core/rcu 11/41] mac80211: Convert call_rcu() to kfree_rcu() Date: Wed, 1 Feb 2012 11:41:29 -0800 Message-Id: <1328125319-5205-11-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1328125319-5205-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20120201194131.GA10028@linux.vnet.ibm.com> <1328125319-5205-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12020119-2398-0000-0000-000003DD0DF2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1855 Lines: 51 From: "Paul E. McKenney" The call_rcu() in mesh_gate_del() invokes mesh_gate_node_reclaim(), which simply calls kfree(). So convert the call_rcu() to kfree_rcu(), allowing mesh_gate_node_reclaim() to be eliminated. Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney Cc: "John W. Linville" Cc: Johannes Berg Cc: "David S. Miller" Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- net/mac80211/mesh_pathtbl.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index edf167e..30420bc 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -413,12 +413,6 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data return NULL; } -static void mesh_gate_node_reclaim(struct rcu_head *rp) -{ - struct mpath_node *node = container_of(rp, struct mpath_node, rcu); - kfree(node); -} - /** * mesh_path_add_gate - add the given mpath to a mesh gate to our path table * @mpath: gate path to add to table @@ -479,7 +473,7 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath) if (gate->mpath == mpath) { spin_lock_bh(&tbl->gates_lock); hlist_del_rcu(&gate->list); - call_rcu(&gate->rcu, mesh_gate_node_reclaim); + kfree_rcu(gate, rcu); spin_unlock_bh(&tbl->gates_lock); mpath->sdata->u.mesh.num_gates--; mpath->is_gate = false; -- 1.7.8 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/