Hi Kanchana, kernel test robot noticed the following build errors: [auto build test ERROR on 5c4cf96cd70230100b5d396d45a5c9a332539d19] url: https://github.com/intel-lab-lkp/linux/commits/Kanchana-P-Sridhar/crypto-acomp-Define-two-new-interfaces-for-compress-decompress-batching/20241103-112337 base: 5c4cf96cd70230100b5d396d45a5c9a332539d19 patch link: https://lore.kernel.org/r/20241103032111.333282-13-kanchana.p.sridhar%40intel.com patch subject: [PATCH v2 12/13] mm: Add sysctl vm.compress-batching switch for compress batching during swapout. config: i386-buildonly-randconfig-002-20241103 (https://download.01.org/0day-ci/archive/20241103/202411031803.xNibgI5N-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241103/202411031803.xNibgI5N-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/202411031803.xNibgI5N-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/swap.c:17: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/swap.c:26: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ >> mm/swap.c:51:14: error: expected identifier or '(' 51 | unsigned int compress_batching; | ^ include/linux/mm.h:88:27: note: expanded from macro 'compress_batching' 88 | #define compress_batching 0 | ^ >> mm/swap.c:1082:20: error: expression is not assignable 1082 | compress_batching = 0; | ~~~~~~~~~~~~~~~~~ ^ 3 warnings and 2 errors generated. vim +51 mm/swap.c 49 50 /* Enable/disable compress batching during swapout. */ > 51 unsigned int compress_batching; 52 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki