cgroup: kill unused variable

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 5987dcc..3fe21e1 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2402,7 +2402,6 @@ struct file_operations proc_cgroup_operations = {
 static int proc_cgroupstats_show(struct seq_file *m, void *v)
 {
        int i;
-       struct cgroupfs_root *root;
 
        seq_puts(m, "#subsys_name\thierarchy\tnum_cgroups\n");
        mutex_lock(&cgroup_mutex);