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charset=us-ascii Content-Disposition: inline In-Reply-To: <20241214104401.1052550-1-liushixin2@huawei.com> Hi Liu, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Liu-Shixin/mm-hugetlb-independent-PMD-page-table-shared-count/20241214-184912 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20241214104401.1052550-1-liushixin2%40huawei.com patch subject: [PATCH] mm: hugetlb: independent PMD page table shared count config: i386-buildonly-randconfig-001-20241215 (https://download.01.org/0day-ci/archive/20241215/202412151252.7ESa61O9-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241215/202412151252.7ESa61O9-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/202412151252.7ESa61O9-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from ./arch/x86/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:337, from include/linux/build_bug.h:5, from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/swait.h:5, from include/linux/completion.h:12, from include/linux/crypto.h:15, from arch/x86/kernel/asm-offsets.c:9: include/linux/mm.h: In function 'pagetable_pmd_ctor': >> include/linux/stddef.h:8:14: error: called object is not a function or function pointer 8 | #define NULL ((void *)0) | ^ include/linux/mm_types.h:553:29: note: in expansion of macro 'NULL' 553 | #define ptdesc_pmd_pts_init NULL | ^~~~ include/linux/mm.h:3192:9: note: in expansion of macro 'ptdesc_pmd_pts_init' 3192 | ptdesc_pmd_pts_init(ptdesc); | ^~~~~~~~~~~~~~~~~~~ make[3]: *** [scripts/Makefile.build:102: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=1659946440 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1263: prepare0] Error 2 shuffle=1659946440 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:251: __sub-make] Error 2 shuffle=1659946440 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:251: __sub-make] Error 2 shuffle=1659946440 make: Target 'prepare' not remade because of errors. vim +8 include/linux/stddef.h ^1da177e4c3f415 Linus Torvalds 2005-04-16 6 ^1da177e4c3f415 Linus Torvalds 2005-04-16 7 #undef NULL ^1da177e4c3f415 Linus Torvalds 2005-04-16 @8 #define NULL ((void *)0) 6e2182874324727 Richard Knutsson 2006-09-30 9 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki