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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-15 17:53:46 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-07 22:50:45 -0700 |
| commit | 30088ad815802f850f26114920ccf9effd4bc520 (patch) | |
| tree | 7002a56ddb8873ae42921f1f6605fcc7b0fbbd71 /kernel/cgroup.c | |
| parent | 1217ed1ba5c67393293dfb0f03c353b118dadeb4 (diff) | |
| download | lwn-30088ad815802f850f26114920ccf9effd4bc520.tar.gz lwn-30088ad815802f850f26114920ccf9effd4bc520.zip | |
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.c | 8 |
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); } /* |