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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260223223830.586018-7-joshua.hahnjy@gmail.com> Hi Joshua, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Joshua-Hahn/mm-page_counter-Introduce-tiered-memory-awareness-to-page_counter/20260224-073845 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260223223830.586018-7-joshua.hahnjy%40gmail.com patch subject: [RFC PATCH 6/6] mm/memcontrol: Make memory.high tier-aware config: i386-buildonly-randconfig-002-20260224 (https://download.01.org/0day-ci/archive/20260224/202602241456.9NrcMR6n-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260224/202602241456.9NrcMR6n-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/202602241456.9NrcMR6n-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memcontrol.c:2193:23: error: use of undeclared identifier 'tier_aware_memcg_limits' 2193 | toptier_high_ok = !(tier_aware_memcg_limits && | ^ mm/memcontrol.c:2315:7: error: use of undeclared identifier 'tier_aware_memcg_limits' 2315 | if (!tier_aware_memcg_limits) | ^ mm/memcontrol.c:2640:18: error: use of undeclared identifier 'tier_aware_memcg_limits' 2640 | toptier_high = tier_aware_memcg_limits && | ^ mm/memcontrol.c:4541:28: error: use of undeclared identifier 'tier_aware_memcg_limits' 4541 | bool toptier_high_ok = !(tier_aware_memcg_limits && | ^ 4 errors generated. vim +/tier_aware_memcg_limits +2193 mm/memcontrol.c 2178 2179 static unsigned long reclaim_high(struct mem_cgroup *memcg, 2180 unsigned int nr_pages, 2181 gfp_t gfp_mask) 2182 { 2183 unsigned long nr_reclaimed = 0; 2184 2185 do { 2186 unsigned long pflags; 2187 nodemask_t toptier_nodes, *reclaim_nodes; 2188 bool mem_high_ok, toptier_high_ok; 2189 2190 mt_get_toptier_nodemask(&toptier_nodes, NULL); 2191 mem_high_ok = page_counter_read(&memcg->memory) <= 2192 READ_ONCE(memcg->memory.high); > 2193 toptier_high_ok = !(tier_aware_memcg_limits && 2194 mem_cgroup_toptier_usage(memcg) > 2195 page_counter_toptier_high(&memcg->memory)); 2196 if (mem_high_ok && toptier_high_ok) 2197 continue; 2198 2199 if (mem_high_ok && !toptier_high_ok) 2200 reclaim_nodes = &toptier_nodes; 2201 else 2202 reclaim_nodes = NULL; 2203 2204 memcg_memory_event(memcg, MEMCG_HIGH); 2205 2206 psi_memstall_enter(&pflags); 2207 nr_reclaimed += try_to_free_mem_cgroup_pages(memcg, nr_pages, 2208 gfp_mask, 2209 MEMCG_RECLAIM_MAY_SWAP, 2210 NULL, reclaim_nodes); 2211 psi_memstall_leave(&pflags); 2212 } while ((memcg = parent_mem_cgroup(memcg)) && 2213 !mem_cgroup_is_root(memcg)); 2214 2215 return nr_reclaimed; 2216 } 2217 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki