tree: https://github.com/hnaz/linux-mm master head: 468edaa91589af9aebd54b32f019bf309cf67e78 commit: ccd554f15bb1cd977d740c1ea8241ecf95108c94 [251/366] mm/damon/paddr: support the pageout scheme config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/hnaz/linux-mm/commit/ccd554f15bb1cd977d740c1ea8241ecf9... git remote add hnaz-mm https://github.com/hnaz/linux-mm git fetch --no-tags hnaz-mm master git checkout ccd554f15bb1cd977d740c1ea8241ecf95108c94 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 216 | int damon_pa_apply_scheme(struct damon_ctx *ctx, struct damon_target *t, | ^~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/damon_pa_apply_scheme +216 mm/damon/paddr.c 215 217 struct damon_region *r, struct damos *scheme) 218 { 219 unsigned long addr; 220 LIST_HEAD(page_list); 221 222 if (scheme->action != DAMOS_PAGEOUT) 223 return -EINVAL; 224 225 for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) { 226 struct page *page = damon_get_page(PHYS_PFN(addr)); 227 228 if (!page) 229 continue; 230 231 ClearPageReferenced(page); 232 test_and_clear_page_young(page); 233 if (isolate_lru_page(page)) { 234 put_page(page); 235 continue; 236 } 237 if (PageUnevictable(page)) { 238 putback_lru_page(page); 239 } else { 240 list_add(&page->lru, &page_list); 241 put_page(page); 242 } 243 } 244 reclaim_pages(&page_list); 245 cond_resched(); 246 return 0; 247 } 248 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org