[cip:linux-4.19.y-cip-rt 1968/30000] net/core/skbuff.c:334:30: warning: 'netdev_alloc_lock' defined but not used

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git linux-4.19.y-cip-rt
head:   dcbd51e7744fcf9baa3ea87a028b574fda95d428
commit: c8148273578463d3f35129ff0a22c68cfdf6ad51 [1968/30000] net: Another local_irq_disable/kmalloc headache
config: arm-randconfig-002-20240303 (https://download.01.org/0day-ci/archive/20240303/202403032015.0AbXidTk-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240303/202403032015.0AbXidTk-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403032015.0AbXidTk-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from net/core/skbuff.c:66:
>> net/core/skbuff.c:334:30: warning: 'netdev_alloc_lock' defined but not used [-Wunused-const-variable=]
     334 | static DEFINE_LOCAL_IRQ_LOCK(netdev_alloc_lock);
         |                              ^~~~~~~~~~~~~~~~~
   include/linux/locallock.h:243:71: note: in definition of macro 'DEFINE_LOCAL_IRQ_LOCK'
     243 | #define DEFINE_LOCAL_IRQ_LOCK(lvar)             __typeof__(const int) lvar
         |                                                                       ^~~~
   net/core/skbuff.c:5021: warning: Function parameter or member 'skb' not described in 'skb_gso_size_check'


vim +/netdev_alloc_lock +334 net/core/skbuff.c

   331	
   332	static DEFINE_PER_CPU(struct page_frag_cache, netdev_alloc_cache);
   333	static DEFINE_PER_CPU(struct napi_alloc_cache, napi_alloc_cache);
 > 334	static DEFINE_LOCAL_IRQ_LOCK(netdev_alloc_lock);
   335	

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