From: Andrew Morton <akpm@linux-foundation.org>

kernel/cpuset.c: In function 'cpuset_task_status_allowed':
kernel/cpuset.c:2232: error: 'buffer' undeclared (first use in this function)
kernel/cpuset.c:2232: error: (Each undeclared identifier is reported only once
kernel/cpuset.c:2232: error: for each function it appears in.)

Cc: Andrew Morgan <morgan@kernel.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/cpuset.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN kernel/cpuset.c~proc-seqfile-convert-proc_pid_status-to-properly-handle-pid-namespaces-fix kernel/cpuset.c
--- a/kernel/cpuset.c~proc-seqfile-convert-proc_pid_status-to-properly-handle-pid-namespaces-fix
+++ a/kernel/cpuset.c
@@ -2304,7 +2304,6 @@ const struct file_operations proc_cpuset
 /* Display task cpus_allowed, mems_allowed in /proc/<pid>/status file. */
 void cpuset_task_status_allowed(struct seq_file *m, struct task_struct *task)
 {
-	int len;
 	seq_printf(m, "Cpus_allowed:\t");
 	m->count += cpumask_scnprintf(m->buf + m->count, m->size - m->count,
 					task->cpus_allowed);
@@ -2312,5 +2311,5 @@ void cpuset_task_status_allowed(struct s
 	seq_printf(m, "Mems_allowed:\t");
 	m->count += nodemask_scnprintf(m->buf + m->count, m->size - m->count,
 					task->mems_allowed);
-	seq_printf(buffer, "\n");
+	seq_printf(m, "\n");
 }
_