Hi Pasha, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on awilliam-vfio/for-linus linus/master v6.7-rc3] [cannot apply to joro-iommu/next awilliam-vfio/next next-20231130] [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/Pasha-Tatashin/iommu-vt-d-add-wrapper-functions-for-page-allocations/20231129-054908 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231128204938.1453583-14-pasha.tatashin%40soleen.com patch subject: [PATCH 13/16] iommu: observability of the IOMMU allocations config: sparc64-randconfig-r054-20231130 (https://download.01.org/0day-ci/archive/20231130/202311302108.WERv9oSO-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231130/202311302108.WERv9oSO-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/202311302108.WERv9oSO-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/iommu/iommufd/iova_bitmap.c:11: drivers/iommu/iommufd/../iommu-pages.h: In function '__iommu_alloc_account': >> drivers/iommu/iommufd/../iommu-pages.h:29:48: error: 'NR_IOMMU_PAGES' undeclared (first use in this function) 29 | mod_node_page_state(page_pgdat(pages), NR_IOMMU_PAGES, pgcnt); | ^~~~~~~~~~~~~~ drivers/iommu/iommufd/../iommu-pages.h:29:48: note: each undeclared identifier is reported only once for each function it appears in drivers/iommu/iommufd/../iommu-pages.h: In function '__iommu_free_account': drivers/iommu/iommufd/../iommu-pages.h:41:48: error: 'NR_IOMMU_PAGES' undeclared (first use in this function) 41 | mod_node_page_state(page_pgdat(pages), NR_IOMMU_PAGES, -pgcnt); | ^~~~~~~~~~~~~~ vim +/NR_IOMMU_PAGES +29 drivers/iommu/iommufd/../iommu-pages.h 13 14 /* 15 * All page allocation that are performed in the IOMMU subsystem must use one of 16 * the functions below. This is necessary for the proper accounting as IOMMU 17 * state can be rather large, i.e. multiple gigabytes in size. 18 */ 19 20 /** 21 * __iommu_alloc_account - account for newly allocated page. 22 * @pages: head struct page of the page. 23 * @order: order of the page 24 */ 25 static inline void __iommu_alloc_account(struct page *pages, int order) 26 { 27 const long pgcnt = 1l << order; 28 > 29 mod_node_page_state(page_pgdat(pages), NR_IOMMU_PAGES, pgcnt); 30 } 31 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
