[jimc:scratchpad-v10 9/14] net/netfilter/nf_tables_api.c:176:1: sparse: sparse: symbol 'trans_ENABLE_KEY' was not declared. Should it be static?

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

tree:   https://github.com/jimc/linux.git scratchpad-v10
head:   45e5e0071e4ad7afee159e8cbe6cbe50c8db61d0
commit: 3c3f1ee69c19adfb34381a59af5ff7bf6301774a [9/14] netfilter/nf_tables: Route transaction objects to scratchpad
config: i386-randconfig-r132-20260825 (https://download.01.org/0day-ci/archive/20260825/202608251820.Ev9RBlph-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260825/202608251820.Ev9RBlph-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/202608251820.Ev9RBlph-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> net/netfilter/nf_tables_api.c:176:1: sparse: sparse: symbol 'trans_ENABLE_KEY' was not declared. Should it be static?
   net/netfilter/nf_tables_api.c:2154:25: sparse: sparse: cast between address spaces (__percpu -> __rcu)
   net/netfilter/nf_tables_api.c:2154:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   net/netfilter/nf_tables_api.c:2154:25: sparse:    struct nft_stats [noderef] __rcu *
   net/netfilter/nf_tables_api.c:2154:25: sparse:    struct nft_stats [noderef] __percpu *
   net/netfilter/nf_tables_api.c:2357:17: sparse: sparse: cast between address spaces (__percpu -> __rcu)
   net/netfilter/nf_tables_api.c:2357:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   net/netfilter/nf_tables_api.c:2357:17: sparse:    struct nft_stats [noderef] __rcu *
   net/netfilter/nf_tables_api.c:2357:17: sparse:    struct nft_stats [noderef] __percpu *
   net/netfilter/nf_tables_api.c:2357:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   net/netfilter/nf_tables_api.c:2357:17: sparse:    struct nft_stats [noderef] __rcu *
   net/netfilter/nf_tables_api.c:2357:17: sparse:    struct nft_stats [noderef] __percpu *
   net/netfilter/nf_tables_api.c:2398:21: sparse: sparse: cast between address spaces (__percpu -> __rcu)
   net/netfilter/nf_tables_api.c:2398:21: sparse: sparse: incompatible types in comparison expression (different address spaces):
   net/netfilter/nf_tables_api.c:2398:21: sparse:    struct nft_stats [noderef] __rcu *
   net/netfilter/nf_tables_api.c:2398:21: sparse:    struct nft_stats [noderef] __percpu *
   net/netfilter/nf_tables_api.c:2807:25: sparse: sparse: cast between address spaces (__percpu -> __rcu)
   net/netfilter/nf_tables_api.c:2807:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   net/netfilter/nf_tables_api.c:2807:25: sparse:    struct nft_stats [noderef] __rcu *
   net/netfilter/nf_tables_api.c:2807:25: sparse:    struct nft_stats [noderef] __percpu *

vim +/trans_ENABLE_KEY +176 net/netfilter/nf_tables_api.c

   175	
 > 176	DEFINE_SCRATCHPAD_PARAM(trans,
   177				"Toggle nf_tables transaction scratchpad allocator");
   178	

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