[RFC PATCH] drm/i915: slab_blocks can be static

[kernel test robot]

drivers/gpu/drm/i915/i915_buddy.c:13:19: warning: symbol 'slab_blocks' was not declared. Should it be static?

Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: kernel test robot <lkp at intel.com>
---
 i915_buddy.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_buddy.c b/drivers/gpu/drm/i915/i915_buddy.c
index 045d00c43b4ca..7b274c51cac05 100644
--- a/drivers/gpu/drm/i915/i915_buddy.c
+++ b/drivers/gpu/drm/i915/i915_buddy.c
@@ -10,7 +10,7 @@
 #include "i915_gem.h"
 #include "i915_utils.h"
 
-struct kmem_cache *slab_blocks;
+static struct kmem_cache *slab_blocks;
 
 static struct i915_buddy_block *i915_block_alloc(struct i915_buddy_mm *mm,
 						 struct i915_buddy_block *parent,