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audit_tree,rcu: Convert call_rcu(__put_tree) to kfree_rcu()

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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>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-15 18:03:53 +08:00 committed by Paul E. McKenney
parent 6034f7e603
commit 3b097c4696
1 changed files with 1 additions and 7 deletions
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8
kernel/audit_tree.c
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@ -93,16 +93,10 @@ static inline void get_tree(struct audit_tree *tree)
atomic_inc(&tree->count); 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) static inline void put_tree(struct audit_tree *tree)
{ {
if (atomic_dec_and_test(&tree->count)) 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 */ /* to avoid bringing the entire thing in audit.h */