[Intel-gfx] [RFC PATCH] cgroup: cgroup_idr_lock can be static

[kbuild test robot]

Fixes: d6de4e7e9e60 ("cgroup: Allow registration and lookup of cgroup private data (v2)")
Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---
 cgroup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index c778830..9af6086 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -91,7 +91,7 @@ static DEFINE_IDR(cgroup_priv_idr);
  * Protects cgroup_idr, css_idr, and cgroup_priv_idr so that IDs can be
  * released without grabbing cgroup_mutex.
  */
-DEFINE_SPINLOCK(cgroup_idr_lock);
+static DEFINE_SPINLOCK(cgroup_idr_lock);
 
 /*
  * Protects cgroup_file->kn for !self csses.  It synchronizes notifications