tree: https://github.com/hnaz/linux-mm master head: b8280145cf2a894c873fdf91fb2af474c52ac6cc commit: 60a1efc701a99db4ec497669986977d30eda503d [347/435] include/linux/generic-radix-tree.h: replace kernel.h with the necessary inclusions config: x86_64-randconfig-a002-20211104 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/hnaz/linux-mm/commit/60a1efc701a99db4ec497669986977d30eda503d git remote add hnaz-mm https://github.com/hnaz/linux-mm git fetch --no-tags hnaz-mm master git checkout 60a1efc701a99db4ec497669986977d30eda503d # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the hnaz-mm/master HEAD b8280145cf2a894c873fdf91fb2af474c52ac6cc builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from lib/generic-radix-tree.c:3: include/linux/generic-radix-tree.h: In function '__genradix_iter_advance': >> include/linux/generic-radix-tree.h:190:18: error: implicit declaration of function 'round_up' [-Werror=implicit-function-declaration] 190 | iter->offset = round_up(iter->offset, PAGE_SIZE); | ^~~~~~~~ cc1: some warnings being treated as errors vim +/round_up +190 include/linux/generic-radix-tree.h ba20ba2e3743ba Kent Overstreet 2019-03-11 169 ba20ba2e3743ba Kent Overstreet 2019-03-11 170 /** ba20ba2e3743ba Kent Overstreet 2019-03-11 171 * genradix_iter_peek - get first entry at or above iterator's current ba20ba2e3743ba Kent Overstreet 2019-03-11 172 * position ba20ba2e3743ba Kent Overstreet 2019-03-11 173 * @_iter: a genradix_iter ba20ba2e3743ba Kent Overstreet 2019-03-11 174 * @_radix: genradix being iterated over ba20ba2e3743ba Kent Overstreet 2019-03-11 175 * ba20ba2e3743ba Kent Overstreet 2019-03-11 176 * If no more entries exist at or above @_iter's current position, returns NULL ba20ba2e3743ba Kent Overstreet 2019-03-11 177 */ ba20ba2e3743ba Kent Overstreet 2019-03-11 178 #define genradix_iter_peek(_iter, _radix) \ ba20ba2e3743ba Kent Overstreet 2019-03-11 179 (__genradix_cast(_radix) \ ba20ba2e3743ba Kent Overstreet 2019-03-11 180 __genradix_iter_peek(_iter, &(_radix)->tree, \ ba20ba2e3743ba Kent Overstreet 2019-03-11 181 PAGE_SIZE / __genradix_obj_size(_radix))) ba20ba2e3743ba Kent Overstreet 2019-03-11 182 ba20ba2e3743ba Kent Overstreet 2019-03-11 183 static inline void __genradix_iter_advance(struct genradix_iter *iter, ba20ba2e3743ba Kent Overstreet 2019-03-11 184 size_t obj_size) ba20ba2e3743ba Kent Overstreet 2019-03-11 185 { ba20ba2e3743ba Kent Overstreet 2019-03-11 186 iter->offset += obj_size; ba20ba2e3743ba Kent Overstreet 2019-03-11 187 ba20ba2e3743ba Kent Overstreet 2019-03-11 188 if (!is_power_of_2(obj_size) && ba20ba2e3743ba Kent Overstreet 2019-03-11 189 (iter->offset & (PAGE_SIZE - 1)) + obj_size > PAGE_SIZE) ba20ba2e3743ba Kent Overstreet 2019-03-11 @190 iter->offset = round_up(iter->offset, PAGE_SIZE); ba20ba2e3743ba Kent Overstreet 2019-03-11 191 ba20ba2e3743ba Kent Overstreet 2019-03-11 192 iter->pos++; ba20ba2e3743ba Kent Overstreet 2019-03-11 193 } ba20ba2e3743ba Kent Overstreet 2019-03-11 194 :::::: The code at line 190 was first introduced by commit :::::: ba20ba2e3743bac786dff777954c11930256075e generic radix trees :::::: TO: Kent Overstreet <kent.overstreet@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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