mm/slab.c: make local symbols static

Local symbols should be static.

Signed-off-by: H Hartley Sweeten <[e-mail]>
Cc: Christoph Lameter <[e-mail]>
Cc: Pekka Enberg <[e-mail]>
Cc: Matt Mackall <[e-mail]>
Signed-off-by: Pekka Enberg <[e-mail]>

mm/slab.c

···
  * Need this for bootstrapping a per node allocator.
  */
 #define NUM_INIT_LISTS (3 * MAX_NUMNODES)
-struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS];
+static struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS];
 #define	CACHE_CACHE 0
 #define	SIZE_AC MAX_NUMNODES
 #define	SIZE_L3 (2 * MAX_NUMNODES)
···
  * necessary. Note that the l3 listlock also protects the array_cache
  * if drain_array() is used on the shared array.
  */
-void drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
+static void drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
 			 struct array_cache *ac, int force, int node)
 {
 	int tofree;
···
  * @count: data length
  * @ppos: unused
  */
-ssize_t slabinfo_write(struct file *file, const char __user * buffer,
+static ssize_t slabinfo_write(struct file *file, const char __user *buffer,
 		       size_t count, loff_t *ppos)
 {
 	char kbuf[MAX_SLABINFO_WRITE + 1], *tmp;