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Should it be static? Message-ID: <202610270749.TnClUGgT-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Hi Hridya, First bad commit (maybe != root cause): tree: https://android.googlesource.com/kernel/common android14-6.1 head: e7e4a657fff86db1dc8f902e5ff8c713b81f6d39 commit: 70ad75e771d15cdf21f43548ee47bb38b4c2f564 [2/2] ANDROID: dma-heap: Make the page-pool library built-in config: arm-randconfig-r2308-20261027 (https://download.01.org/0day-ci/archive/20261027/202610270749.TnClUGgT-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 42d4451d86c175b745d6ea1c4081787994c7259b) sparse: v0.6.5-rc1-1-gc4640450 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261027/202610270749.TnClUGgT-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610270749.TnClUGgT-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/dma-buf/heaps/page_pool.c:235:17: sparse: sparse: symbol 'pool_shrinker' was not declared. Should it be static? drivers/dma-buf/heaps/page_pool.c:242:5: sparse: sparse: symbol 'dmabuf_page_pool_init_shrinker' was not declared. Should it be static? vim +/pool_shrinker +235 drivers/dma-buf/heaps/page_pool.c d3b59a75e86384 John Stultz 2020-10-02 234 d3b59a75e86384 John Stultz 2020-10-02 @235 struct shrinker pool_shrinker = { d3b59a75e86384 John Stultz 2020-10-02 236 .count_objects = dmabuf_page_pool_shrink_count, d3b59a75e86384 John Stultz 2020-10-02 237 .scan_objects = dmabuf_page_pool_shrink_scan, d3b59a75e86384 John Stultz 2020-10-02 238 .seeks = DEFAULT_SEEKS, d3b59a75e86384 John Stultz 2020-10-02 239 .batch = 0, d3b59a75e86384 John Stultz 2020-10-02 240 }; d3b59a75e86384 John Stultz 2020-10-02 241 :::::: The code at line 235 was first introduced by commit :::::: d3b59a75e86384b6d5302159fa89446ead81e71e ANDROID: dma-buf: heaps: Add a shrinker controlled page pool :::::: TO: John Stultz :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki