Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/alexs-kernel-org/mm-zsmalloc-add-zpdesc-memory-descriptor-for-zswap-zpool/20240703-182314 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240703040613.681396-18-alexs%40kernel.org patch subject: [PATCH v2 17/20] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc config: i386-randconfig-002-20240705 (https://download.01.org/0day-ci/archive/20240705/202407052102.qbT7nLMK-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407052102.qbT7nLMK-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407052102.qbT7nLMK-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/zsmalloc.c:471:12: warning: function 'is_first_zpdesc' is not needed and will not be emitted [-Wunneeded-internal-declaration] 471 | static int is_first_zpdesc(struct zpdesc *zpdesc) | ^~~~~~~~~~~~~~~ 1 warning generated. vim +/is_first_zpdesc +471 mm/zsmalloc.c 61989a80fb3ac9 drivers/staging/zsmalloc/zsmalloc-main.c Nitin Gupta 2012-01-09 470 3844a7927dcecc mm/zsmalloc.c Alex Shi 2024-07-03 @471 static int is_first_zpdesc(struct zpdesc *zpdesc) 3844a7927dcecc mm/zsmalloc.c Alex Shi 2024-07-03 472 { 3844a7927dcecc mm/zsmalloc.c Alex Shi 2024-07-03 473 return PagePrivate(zpdesc_page(zpdesc)); 3844a7927dcecc mm/zsmalloc.c Alex Shi 2024-07-03 474 } 3844a7927dcecc mm/zsmalloc.c Alex Shi 2024-07-03 475 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
