Variable obd_device_cachep is only used inside the file it is declared, so it is better set as static Signed-off-by: Pedro Marzo Perez <marzo.pedro(a)gmail.com&gt; --- drivers/staging/lustre/lustre/obdclass/genops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c index 66b5678..7e6bbde 100644 --- a/drivers/staging/lustre/lustre/obdclass/genops.c +++ b/drivers/staging/lustre/lustre/obdclass/genops.c @@ -45,7 +45,7 @@ spinlock_t obd_types_lock; -struct kmem_cache *obd_device_cachep; +static struct kmem_cache *obd_device_cachep; struct kmem_cache *obdo_cachep; EXPORT_SYMBOL(obdo_cachep); static struct kmem_cache *import_cachep; -- 1.9.1