[linux-next:master 8979/10134] arch/powerpc/platforms/pseries/lparcfg.c:189:15: sparse: sparse: symbol 'boot_pool_idle_time' was not declared. Should it be static?

[linux-next:master 8979/10134] arch/powerpc/platforms/pseries/lparcfg.c:189:15: sparse: sparse: symbol 'boot_pool_idle_time' was not declared. Should it be static?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   f68868ba718e30594165879cc3020607165b0761
commit: 9c74ecfd0fc46e2eaf92c1b6169cc0c8a87f1dc2 [8979/10134] powerpc/pseries: Add pool idle time at LPAR boot
config: powerpc64-randconfig-r132-20240501 (https://download.01.org/0day-ci/archive/20240502/202405020233.DULp9nru-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240502/202405020233.DULp9nru-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/202405020233.DULp9nru-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/platforms/pseries/lparcfg.c:189:15: sparse: sparse: symbol 'boot_pool_idle_time' was not declared. Should it be static?
   arch/powerpc/platforms/pseries/lparcfg.c: note: in included file (through include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, include/linux/module.h):
   include/linux/mmzone.h:2013:40: sparse: sparse: self-comparison always evaluates to false

vim +/boot_pool_idle_time +189 arch/powerpc/platforms/pseries/lparcfg.c

   188	
 > 189	unsigned long boot_pool_idle_time;
   190	

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