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charset=us-ascii Content-Disposition: inline In-Reply-To: <20251216114844.2126250-6-wangkefeng.wang@huawei.com> X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 9D555140006 X-Stat-Signature: ng9kepmrp7cbikhi4c347rbgfnssjfm9 X-HE-Tag: 1766241312-167023 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Kefeng, 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/Kefeng-Wang/mm-debug_vm_pgtable-add-debug_vm_pgtable_free_huge_page/20251216-195027 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20251216114844.2126250-6-wangkefeng.wang%40huawei.com patch subject: [PATCH v4 5/6] mm: cma: add cma_alloc_frozen{_compound}() config: s390-randconfig-r053-20251218 (https://download.01.org/0day-ci/archive/20251220/202512202141.mGkUgIRF-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251220/202512202141.mGkUgIRF-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/202512202141.mGkUgIRF-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/hugetlb_cma.c: In function 'hugetlb_cma_alloc_folio': >> mm/hugetlb_cma.c:44:11: warning: array subscript [0, 0] is outside array bounds of 'struct cma *[1]' [-Warray-bounds] page = cma_alloc_frozen_compound(hugetlb_cma[nid], order); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for CAN_DEV Depends on [n]: NETDEVICES [=n] && CAN [=m] Selected by [m]: - CAN [=m] && NET [=y] vim +44 mm/hugetlb_cma.c 28 29 struct folio *hugetlb_cma_alloc_folio(int order, gfp_t gfp_mask, 30 int nid, nodemask_t *nodemask) 31 { 32 int node; 33 struct folio *folio; 34 struct page *page = NULL; 35 36 if (hugetlb_cma[nid]) 37 page = cma_alloc_frozen_compound(hugetlb_cma[nid], order); 38 39 if (!page && !(gfp_mask & __GFP_THISNODE)) { 40 for_each_node_mask(node, *nodemask) { 41 if (node == nid || !hugetlb_cma[node]) 42 continue; 43 > 44 page = cma_alloc_frozen_compound(hugetlb_cma[nid], order); 45 if (page) 46 break; 47 } 48 } 49 50 if (!page) 51 return NULL; 52 53 set_page_refcounted(page); 54 folio = page_folio(page); 55 folio_set_hugetlb_cma(folio); 56 return folio; 57 } 58 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki