[PATCH -next] cpuset: fix non static symbol warning

[Wei Yongjun <weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: Wei Yongjun <weiyongjun1-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>

Fixes the following sparse warning:

kernel/cpuset.c:2088:6: warning:
 symbol 'cpuset_fork' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <weiyongjun1-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
 kernel/cpuset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 8141c6b..7fa608d 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2085,7 +2085,7 @@ static void cpuset_bind(struct cgroup_subsys_state *root_css)
  * which could have been changed by cpuset just after it inherits the
  * state from the parent and before it sits on the cgroup's task list.
  */
-void cpuset_fork(struct task_struct *task)
+static void cpuset_fork(struct task_struct *task)
 {
 	if (task_css_is_root(task, cpuset_cgrp_id))
 		return;