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Subject[PATCH tip/core/rcu 72/86] audit_tree,rcu: convert call_rcu(__put_tree) to kfree_rcu()
Date
From: Lai Jiangshan <laijs@cn.fujitsu.com>

The rcu callback __put_tree() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(__put_tree).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
---
kernel/audit_tree.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index e99dda0..5bf0790 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -93,16 +93,10 @@ static inline void get_tree(struct audit_tree *tree)
atomic_inc(&tree->count);
}

-static void __put_tree(struct rcu_head *rcu)
-{
- struct audit_tree *tree = container_of(rcu, struct audit_tree, head);
- kfree(tree);
-}
-
static inline void put_tree(struct audit_tree *tree)
{
if (atomic_dec_and_test(&tree->count))
- call_rcu(&tree->head, __put_tree);
+ kfree_rcu(tree, head);
}

/* to avoid bringing the entire thing in audit.h */
--
1.7.3.2


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