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charset=us-ascii Content-Disposition: inline In-Reply-To: <20240603120506.1837322-3-xiujianfeng@huawei.com> Hi Xiu, 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/Xiu-Jianfeng/mm-hugetlb_cgroup-identify-the-legacy-using-cgroup_subsys_on_dfl/20240603-201513 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240603120506.1837322-3-xiujianfeng%40huawei.com patch subject: [PATCH -next 2/3] mm/hugetlb_cgroup: prepare cftypes based on template config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240603/202406032321.OzAKgNBA-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240603/202406032321.OzAKgNBA-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/202406032321.OzAKgNBA-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/hugetlb_cgroup.c:20: In file included from include/linux/cgroup.h:25: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:21: In file included from arch/riscv/include/asm/sections.h:9: In file included from include/linux/mm.h:2245: include/linux/vmstat.h:498:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 498 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> mm/hugetlb_cgroup.c:828:13: warning: address of array 'tmpl->name' will always evaluate to 'true' [-Wpointer-bool-conversion] 828 | if (tmpl->name) | ~~ ~~~~~~^~~~ 2 warnings generated. vim +828 mm/hugetlb_cgroup.c 814 815 static void __init 816 hugetlb_cgroup_cfttypes_init(struct hstate *h, struct cftype *cft, 817 struct cftype *tmpl, int tmpl_size) 818 { 819 char buf[32]; 820 int i, idx = hstate_index(h); 821 822 /* format the size */ 823 mem_fmt(buf, sizeof(buf), huge_page_size(h)); 824 825 for (i = 0; i < tmpl_size; cft++, tmpl++, i++) { 826 *cft = *tmpl; 827 /* rebuild the name */ > 828 if (tmpl->name) 829 snprintf(cft->name, MAX_CFTYPE_NAME, "%s.%s", buf, tmpl->name); 830 /* rebuild the private */ 831 if (tmpl->private) 832 cft->private = MEMFILE_PRIVATE(idx, tmpl->private); 833 /* rebuild the file_offset */ 834 if (tmpl->file_offset) { 835 unsigned int offset = tmpl->file_offset; 836 837 cft->file_offset = MEMFILE_OFFSET0(offset) + 838 MEMFILE_FIELD_SIZE(offset) * idx; 839 } 840 } 841 } 842 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki