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-page_alloc-move-mirrored_kernelcore-into-mm_init-c/20230508-145724 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230508071200.123962-5-wangkefeng.wang%40huawei.com patch subject: [PATCH 04/12] mm: page_alloc: collect mem statistic into show_mem.c config: loongarch-randconfig-s051-20230509 (https://download.01.org/0day-ci/archive/20230511/202305110807.YVsoVagW-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/be69df472e4d9a6b09a17b854d3aeb9722fc2675 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kefeng-Wang/mm-page_alloc-move-mirrored_kernelcore-into-mm_init-c/20230508-145724 git checkout be69df472e4d9a6b09a17b854d3aeb9722fc2675 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305110807.YVsoVagW-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ mm/show_mem.c:336:17: sparse: expected void *ptr mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ mm/show_mem.c:336:17: sparse: expected void *ptr mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ mm/show_mem.c:336:17: sparse: expected void *ptr mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * >> mm/show_mem.c:336:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ mm/show_mem.c:336:17: sparse: expected void *ptr mm/show_mem.c:336:17: sparse: got int [noderef] __percpu * vim +336 mm/show_mem.c 207 208 /* 209 * Show free area list (used inside shift_scroll-lock stuff) 210 * We also calculate the percentage fragmentation. We do this by counting the 211 * memory on each free list with the exception of the first item on the list. 212 * 213 * Bits in @filter: 214 * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's 215 * cpuset. 216 */ 217 void __show_free_areas(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) 218 { 219 unsigned long free_pcp = 0; 220 int cpu, nid; 221 struct zone *zone; 222 pg_data_t *pgdat; 223 224 for_each_populated_zone(zone) { 225 if (zone_idx(zone) > max_zone_idx) 226 continue; 227 if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask)) 228 continue; 229 230 for_each_online_cpu(cpu) 231 free_pcp += per_cpu_ptr(zone->per_cpu_pageset, cpu)->count; 232 } 233 234 printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n" 235 " active_file:%lu inactive_file:%lu isolated_file:%lu\n" 236 " unevictable:%lu dirty:%lu writeback:%lu\n" 237 " slab_reclaimable:%lu slab_unreclaimable:%lu\n" 238 " mapped:%lu shmem:%lu pagetables:%lu\n" 239 " sec_pagetables:%lu bounce:%lu\n" 240 " kernel_misc_reclaimable:%lu\n" 241 " free:%lu free_pcp:%lu free_cma:%lu\n", 242 global_node_page_state(NR_ACTIVE_ANON), 243 global_node_page_state(NR_INACTIVE_ANON), 244 global_node_page_state(NR_ISOLATED_ANON), 245 global_node_page_state(NR_ACTIVE_FILE), 246 global_node_page_state(NR_INACTIVE_FILE), 247 global_node_page_state(NR_ISOLATED_FILE), 248 global_node_page_state(NR_UNEVICTABLE), 249 global_node_page_state(NR_FILE_DIRTY), 250 global_node_page_state(NR_WRITEBACK), 251 global_node_page_state_pages(NR_SLAB_RECLAIMABLE_B), 252 global_node_page_state_pages(NR_SLAB_UNRECLAIMABLE_B), 253 global_node_page_state(NR_FILE_MAPPED), 254 global_node_page_state(NR_SHMEM), 255 global_node_page_state(NR_PAGETABLE), 256 global_node_page_state(NR_SECONDARY_PAGETABLE), 257 global_zone_page_state(NR_BOUNCE), 258 global_node_page_state(NR_KERNEL_MISC_RECLAIMABLE), 259 global_zone_page_state(NR_FREE_PAGES), 260 free_pcp, 261 global_zone_page_state(NR_FREE_CMA_PAGES)); 262 263 for_each_online_pgdat(pgdat) { 264 if (show_mem_node_skip(filter, pgdat->node_id, nodemask)) 265 continue; 266 if (!node_has_managed_zones(pgdat, max_zone_idx)) 267 continue; 268 269 printk("Node %d" 270 " active_anon:%lukB" 271 " inactive_anon:%lukB" 272 " active_file:%lukB" 273 " inactive_file:%lukB" 274 " unevictable:%lukB" 275 " isolated(anon):%lukB" 276 " isolated(file):%lukB" 277 " mapped:%lukB" 278 " dirty:%lukB" 279 " writeback:%lukB" 280 " shmem:%lukB" 281 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 282 " shmem_thp: %lukB" 283 " shmem_pmdmapped: %lukB" 284 " anon_thp: %lukB" 285 #endif 286 " writeback_tmp:%lukB" 287 " kernel_stack:%lukB" 288 #ifdef CONFIG_SHADOW_CALL_STACK 289 " shadow_call_stack:%lukB" 290 #endif 291 " pagetables:%lukB" 292 " sec_pagetables:%lukB" 293 " all_unreclaimable? %s" 294 "\n", 295 pgdat->node_id, 296 K(node_page_state(pgdat, NR_ACTIVE_ANON)), 297 K(node_page_state(pgdat, NR_INACTIVE_ANON)), 298 K(node_page_state(pgdat, NR_ACTIVE_FILE)), 299 K(node_page_state(pgdat, NR_INACTIVE_FILE)), 300 K(node_page_state(pgdat, NR_UNEVICTABLE)), 301 K(node_page_state(pgdat, NR_ISOLATED_ANON)), 302 K(node_page_state(pgdat, NR_ISOLATED_FILE)), 303 K(node_page_state(pgdat, NR_FILE_MAPPED)), 304 K(node_page_state(pgdat, NR_FILE_DIRTY)), 305 K(node_page_state(pgdat, NR_WRITEBACK)), 306 K(node_page_state(pgdat, NR_SHMEM)), 307 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 308 K(node_page_state(pgdat, NR_SHMEM_THPS)), 309 K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)), 310 K(node_page_state(pgdat, NR_ANON_THPS)), 311 #endif 312 K(node_page_state(pgdat, NR_WRITEBACK_TEMP)), 313 node_page_state(pgdat, NR_KERNEL_STACK_KB), 314 #ifdef CONFIG_SHADOW_CALL_STACK 315 node_page_state(pgdat, NR_KERNEL_SCS_KB), 316 #endif 317 K(node_page_state(pgdat, NR_PAGETABLE)), 318 K(node_page_state(pgdat, NR_SECONDARY_PAGETABLE)), 319 pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ? 320 "yes" : "no"); 321 } 322 323 for_each_populated_zone(zone) { 324 int i; 325 326 if (zone_idx(zone) > max_zone_idx) 327 continue; 328 if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask)) 329 continue; 330 331 free_pcp = 0; 332 for_each_online_cpu(cpu) 333 free_pcp += per_cpu_ptr(zone->per_cpu_pageset, cpu)->count; 334 335 show_node(zone); > 336 printk(KERN_CONT -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
