[android-common:android15-6.6-2025-05 0/2] mm/page_alloc.c:327:15: sparse: sparse: symbol 'nr_free_highatomic' was not declared. Should it be static?

[android-common:android15-6.6-2025-05 0/2] mm/page_alloc.c:327:15: sparse: sparse: symbol 'nr_free_highatomic' was not declared. Should it be static?

[kernel test robot]

Hi Kalesh,

First bad commit (maybe != root cause):

tree:   https://android.googlesource.com/kernel/common android15-6.6-2025-05
head:   b3fc1858b36caef7f14dd6d6ec611eba4d5eee85
commit: 7b1f522c80c811c59e056b899b26c684780442fd [0/2] ANDROID: GKI: deferred split queue corruption - ABI fixup
config: x86_64-randconfig-122-20260401 (https://download.01.org/0day-ci/archive/20260401/202604011007.llcDN5Su-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/20260401/202604011007.llcDN5Su-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/202604011007.llcDN5Su-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   mm/page_alloc.c:195:1: sparse: sparse: symbol 'restrict_cma_redirect' was not declared. Should it be static?
   mm/page_alloc.c:1384:25: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted int flags @@     got restricted fpi_t [usertype] fpi_flags @@
   mm/page_alloc.c:1384:25: sparse:     expected restricted int flags
   mm/page_alloc.c:1384:25: sparse:     got restricted fpi_t [usertype] fpi_flags
   mm/page_alloc.c:1392:25: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted int flags @@     got restricted fpi_t [usertype] fpi_flags @@
   mm/page_alloc.c:1392:25: sparse:     expected restricted int flags
   mm/page_alloc.c:1392:25: sparse:     got restricted fpi_t [usertype] fpi_flags
>> mm/page_alloc.c:327:15: sparse: sparse: symbol 'nr_free_highatomic' was not declared. Should it be static?
   mm/page_alloc.c:915:31: sparse: sparse: cast from restricted fpi_t
   mm/page_alloc.c:915:31: sparse: sparse: cast from restricted fpi_t
   mm/page_alloc.c:915:31: sparse: sparse: cast from restricted fpi_t
   mm/page_alloc.c:2738:6: sparse: sparse: context imbalance in 'free_unref_page' - different lock contexts for basic block
   mm/page_alloc.c:2835:33: sparse: sparse: context imbalance in 'free_unref_folios' - unexpected unlock
   mm/page_alloc.c:915:31: sparse: sparse: cast from restricted fpi_t
   mm/page_alloc.c:3137:20: sparse: sparse: context imbalance in 'rmqueue_pcplist' - different lock contexts for basic block
   mm/page_alloc.c:4890:9: sparse: sparse: context imbalance in '__alloc_pages_bulk' - different lock contexts for basic block

vim +/nr_free_highatomic +327 mm/page_alloc.c

60f30350fd69a3 Vlastimil Babka 2016-03-15  326  
d5ace9d4dd020b Kalesh Singh    2025-05-28 @327  unsigned long nr_free_highatomic[MAX_NR_ZONES] = {0};
d5ace9d4dd020b Kalesh Singh    2025-05-28  328  

:::::: The code at line 327 was first introduced by commit
:::::: d5ace9d4dd020b31be684cfd095e876fe59ae65f ANDROID: GKI: page_alloc ABI fixup

:::::: TO: Kalesh Singh <kaleshsingh@google.com>
:::::: CC: Kalesh Singh <kaleshsingh@google.com>

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