[jimc:folio-pool-v2-lockdep 14/21] kernel/locking/lockdep.c:587:1: sparse: sparse: symbol 'lockdep_trace_scratchpad_key' was not declared. Should it be static?

[jimc:folio-pool-v2-lockdep 14/21] kernel/locking/lockdep.c:587:1: sparse: sparse: symbol 'lockdep_trace_scratchpad_key' was not declared. Should it be static?

[kernel test robot]

tree:   https://github.com/jimc/linux.git folio-pool-v2-lockdep
head:   b6042163d72458308afa7eef95a3293507a1538e
commit: 198cb0234063750d4125d2f5b3fd29f373fba200 [14/21] locking/lockdep: Migrate and compact stack trace entries into folio_scratchpad
config: x86_64-randconfig-122-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191417.fTJXmNEy-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191417.fTJXmNEy-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/202608191417.fTJXmNEy-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/locking/lockdep.c:63:1: sparse: sparse: symbol 'lockdep_pool_key' was not declared. Should it be static?
>> kernel/locking/lockdep.c:587:1: sparse: sparse: symbol 'lockdep_trace_scratchpad_key' was not declared. Should it be static?
   kernel/locking/lockdep.c:3517:49: sparse: sparse: cast truncates bits from constant value (50000 becomes 0)
   kernel/locking/lockdep.c:3517:49: sparse: sparse: cast truncates bits from constant value (50000 becomes 0)

vim +/lockdep_trace_scratchpad_key +587 kernel/locking/lockdep.c

   586	
 > 587	DEFINE_STATIC_KEY_TRUE(lockdep_trace_scratchpad_key);
   588	static struct folio_scratchpad lockdep_trace_scratchpad =
   589		FOLIO_SCRATCHPAD_INIT_KEY(lockdep_trace_scratchpad,
   590					  FOLIO_POOL_64K_ORDER,
   591					  &lockdep_trace_scratchpad_key);
   592	

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