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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-15 17:56:10 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-07 22:50:47 -0700 |
| commit | 025cea99db3fb110ebc8ede5ff647833fab9574f (patch) | |
| tree | cfef202674eaf06953405b03b000e77251287099 /kernel/cgroup.c | |
| parent | f2da1c40dc003939f616f27a103b2592f1424b07 (diff) | |
| download | linux-025cea99db3fb110ebc8ede5ff647833fab9574f.tar.bz2 | |
cgroup,rcu: convert call_rcu(__free_css_id_cb) to kfree_rcu()
The rcu callback __free_css_id_cb() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(__free_css_id_cb).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 20451ce7195f..909a35510af5 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -4610,14 +4610,6 @@ bool css_is_ancestor(struct cgroup_subsys_state *child, return ret; } -static void __free_css_id_cb(struct rcu_head *head) -{ - struct css_id *id; - - id = container_of(head, struct css_id, rcu_head); - kfree(id); -} - void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css) { struct css_id *id = css->id; @@ -4632,7 +4624,7 @@ void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css) spin_lock(&ss->id_lock); idr_remove(&ss->idr, id->id); spin_unlock(&ss->id_lock); - call_rcu(&id->rcu_head, __free_css_id_cb); + kfree_rcu(id, rcu_head); } EXPORT_SYMBOL_GPL(free_css_id); |