Hi Oscar, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-nonmm-unstable] [also build test ERROR on linus/master v6.8-rc3] [cannot apply to akpm-mm/mm-everything next-20240209] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Oscar-Salvador/lib-stackdepot-Move-stack_record-struct-definition-into-the-header/20240209-074611 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable patch link: https://lore.kernel.org/r/20240208234539.19113-2-osalvador%40suse.de patch subject: [PATCH v7 1/4] lib/stackdepot: Move stack_record struct definition into the header config: mips-xway_defconfig (https://download.01.org/0day-ci/archive/20240210/202402101724.VBz4JA0y-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ac0577177f053ba7e7016e1b7e44cf5932d00b03) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240210/202402101724.VBz4JA0y-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/202402101724.VBz4JA0y-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/mips/kernel/asm-offsets.c:15: In file included from include/linux/mm.h:22: In file included from include/linux/page_ext.h:7: >> include/linux/stackdepot.h:59:25: error: use of undeclared identifier 'CONFIG_STACKDEPOT_MAX_FRAMES' 59 | unsigned long entries[CONFIG_STACKDEPOT_MAX_FRAMES]; /* Frames */ | ^ 1 error generated. make[3]: *** [scripts/Makefile.build:116: arch/mips/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1191: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:240: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:240: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/CONFIG_STACKDEPOT_MAX_FRAMES +59 include/linux/stackdepot.h 51 52 struct stack_record { 53 struct list_head hash_list; /* Links in the hash table */ 54 u32 hash; /* Hash in hash table */ 55 u32 size; /* Number of stored frames */ 56 union handle_parts handle; /* Constant after initialization */ 57 refcount_t count; 58 union { > 59 unsigned long entries[CONFIG_STACKDEPOT_MAX_FRAMES]; /* Frames */ 60 struct { 61 /* 62 * An important invariant of the implementation is to 63 * only place a stack record onto the freelist iff its 64 * refcount is zero. Because stack records with a zero 65 * refcount are never considered as valid, it is safe to 66 * union @entries and freelist management state below. 67 * Conversely, as soon as an entry is off the freelist 68 * and its refcount becomes non-zero, the below must not 69 * be accessed until being placed back on the freelist. 70 */ 71 struct list_head free_list; /* Links in the freelist */ 72 unsigned long rcu_state; /* RCU cookie */ 73 }; 74 }; 75 }; 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
