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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-18 12:11:44 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-07-20 14:10:16 -0700 |
| commit | d4ee9aa33db94120532601a22566e989efc3e70c (patch) | |
| tree | 7e138ea977cc405ea188be5dd7bf98fee324114d | |
| parent | 693a8b6eecce1a0cfe91a469e85c56016dc1cc53 (diff) | |
| download | lwn-d4ee9aa33db94120532601a22566e989efc3e70c.tar.gz lwn-d4ee9aa33db94120532601a22566e989efc3e70c.zip | |
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>
| -rw-r--r-- | ipc/util.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/ipc/util.c b/ipc/util.c index 5c0d28921ba8..75261a31d48d 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); } } |