From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760486Ab1EAN10 (ORCPT ); Sun, 1 May 2011 09:27:26 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:48545 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755238Ab1EANWh (ORCPT ); Sun, 1 May 2011 09:22:37 -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 84/86] ipc,rcu: convert call_rcu(ipc_immediate_free) to kfree_rcu() Date: Sun, 1 May 2011 06:22:04 -0700 Message-Id: <1304256126-26015-84-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 ipc_immediate_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(ipc_immediate_free). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Cc: Andrew Morton --- ipc/util.c | 16 +--------------- 1 files changed, 1 insertions(+), 15 deletions(-) diff --git a/ipc/util.c b/ipc/util.c index 5c0d289..75261a3 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -579,19 +579,6 @@ static void ipc_schedule_free(struct rcu_head *head) schedule_work(&sched->work); } -/** - * ipc_immediate_free - free ipc + rcu space - * @head: RCU callback structure that contains pointer to be freed - * - * Free from the RCU callback context. - */ -static void ipc_immediate_free(struct rcu_head *head) -{ - struct ipc_rcu_grace *free = - container_of(head, struct ipc_rcu_grace, rcu); - kfree(free); -} - void ipc_rcu_putref(void *ptr) { if (--container_of(ptr, struct ipc_rcu_hdr, data)->refcount > 0) @@ -601,8 +588,7 @@ void ipc_rcu_putref(void *ptr) call_rcu(&container_of(ptr, struct ipc_rcu_grace, data)->rcu, ipc_schedule_free); } else { - call_rcu(&container_of(ptr, struct ipc_rcu_grace, data)->rcu, - ipc_immediate_free); + kfree_rcu(container_of(ptr, struct ipc_rcu_grace, data), rcu); } } -- 1.7.3.2