summaryrefslogtreecommitdiff
path: root/kernel/cgroup.c
diff options
context:
space:
mode:
authorLai Jiangshan <laijs@cn.fujitsu.com>2011-03-15 12:53:46 +0300
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-08 09:50:45 +0400
commit30088ad815802f850f26114920ccf9effd4bc520 (patch)
tree7002a56ddb8873ae42921f1f6605fcc7b0fbbd71 /kernel/cgroup.c
parent1217ed1ba5c67393293dfb0f03c353b118dadeb4 (diff)
downloadlinux-30088ad815802f850f26114920ccf9effd4bc520.tar.xz
cgroup,rcu: convert call_rcu(free_css_set_rcu) to kfree_rcu()
The rcu callback free_css_set_rcu() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_css_set_rcu). 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.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 25c7eb52de1a..d5160a83fb35 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -326,12 +326,6 @@ static struct hlist_head *css_set_hash(struct cgroup_subsys_state *css[])
return &css_set_table[index];
}
-static void free_css_set_rcu(struct rcu_head *obj)
-{
- struct css_set *cg = container_of(obj, struct css_set, rcu_head);
- kfree(cg);
-}
-
/* We don't maintain the lists running through each css_set to its
* task until after the first call to cgroup_iter_start(). This
* reduces the fork()/exit() overhead for people who have cgroups
@@ -375,7 +369,7 @@ static void __put_css_set(struct css_set *cg, int taskexit)
}
write_unlock(&css_set_lock);
- call_rcu(&cg->rcu_head, free_css_set_rcu);
+ kfree_rcu(cg, rcu_head);
}
/*