diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 648fc13a7..11afc255c 100755
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -22,7 +22,6 @@
  *  distribution for more details.
  */
 
-#include "cgroup-internal.h"
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
 #include <linux/cpuset.h>
@@ -3780,14 +3779,10 @@ int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns,
 	if (!buf)
 		goto out;
 
-	rcu_read_lock();
-	spin_lock_irq(&css_set_lock);
-	css = task_css(tsk, cpuset_cgrp_id);
-	retval = cgroup_path_ns_locked(css->cgroup, buf, PATH_MAX,
-				       current->nsproxy->cgroup_ns);
-	spin_unlock_irq(&css_set_lock);
-	rcu_read_unlock();
-
+	css = task_get_css(tsk, cpuset_cgrp_id);
+	retval = cgroup_path_ns(css->cgroup, buf, PATH_MAX,
+				current->nsproxy->cgroup_ns);
+	css_put(css);
 	if (retval >= PATH_MAX)
 		retval = -ENAMETOOLONG;
 	if (retval < 0)