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: m68k-stmark2_defconfig (https://download.01.org/0day-ci/archive/20241103/202411031633.Hlf9Mjxh-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241103/202411031633.Hlf9Mjxh-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/202411031633.Hlf9Mjxh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/swap.c:17: >> include/linux/mm.h:88:27: error: expected identifier or '(' before numeric constant 88 | #define compress_batching 0 | ^ mm/swap.c:51:14: note: in expansion of macro 'compress_batching' 51 | unsigned int compress_batching; | ^~~~~~~~~~~~~~~~~ mm/swap.c: In function 'swap_setup': >> mm/swap.c:1082:27: error: lvalue required as left operand of assignment 1082 | compress_batching = 0; | ^ vim +88 include/linux/mm.h 82 83 #ifdef CONFIG_SYSCTL 84 extern int sysctl_legacy_va_layout; 85 extern unsigned int compress_batching; 86 #else 87 #define sysctl_legacy_va_layout 0 > 88 #define compress_batching 0 89 #endif 90 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki