From d4ee9aa33db94120532601a22566e989efc3e70c Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Fri, 18 Mar 2011 12:11:44 +0800
Subject: ipc,rcu: Convert call_rcu(ipc_immediate_free) to kfree_rcu()
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 <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---
ipc/util.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
(limited to 'ipc/util.c')
diff --git a/ipc/util.c b/ipc/util.c
index 5c0d28921ba..75261a31d48 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);
}
}
--
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