tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 275d686abcb590d862b74e2670533d93fd10e58c commit: 129bae385a761c7fd88874ad46e27d7eb739bd80 [23/225] mm: don't account memmap per node config: i386-randconfig-141-20240808 (https://download.01.org/0day-ci/archive/20240809/202408090125.PxGk56zJ-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240809/202408090125.PxGk56zJ-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/202408090125.PxGk56zJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): mm/page_ext.c: In function 'free_page_ext': >> mm/page_ext.c:323:29: warning: variable 'pgdat' set but not used [-Wunused-but-set-variable] 323 | struct pglist_data *pgdat; | ^~~~~ vim +/pgdat +323 mm/page_ext.c 76af6a054da405 Dave Hansen 2021-10-18 318 eefa864b701d78 Joonsoo Kim 2014-12-12 319 static void free_page_ext(void *addr) eefa864b701d78 Joonsoo Kim 2014-12-12 320 { eefa864b701d78 Joonsoo Kim 2014-12-12 321 size_t table_size; 15995a35247442 Sourav Panda 2024-06-05 322 struct page *page; 15995a35247442 Sourav Panda 2024-06-05 @323 struct pglist_data *pgdat; eefa864b701d78 Joonsoo Kim 2014-12-12 324 5556cfe8d994d5 Vlastimil Babka 2019-10-14 325 table_size = page_ext_size * PAGES_PER_SECTION; eefa864b701d78 Joonsoo Kim 2014-12-12 326 15995a35247442 Sourav Panda 2024-06-05 327 if (is_vmalloc_addr(addr)) { 15995a35247442 Sourav Panda 2024-06-05 328 page = vmalloc_to_page(addr); 15995a35247442 Sourav Panda 2024-06-05 329 pgdat = page_pgdat(page); 129bae385a761c Pasha Tatashin 2024-08-07 330 mod_memmap(-1L * (DIV_ROUND_UP(table_size, PAGE_SIZE))); 15995a35247442 Sourav Panda 2024-06-05 331 vfree(addr); 15995a35247442 Sourav Panda 2024-06-05 332 } else { 15995a35247442 Sourav Panda 2024-06-05 333 page = virt_to_page(addr); 15995a35247442 Sourav Panda 2024-06-05 334 pgdat = page_pgdat(page); 129bae385a761c Pasha Tatashin 2024-08-07 335 mod_memmap(-1L * (DIV_ROUND_UP(table_size, PAGE_SIZE))); eefa864b701d78 Joonsoo Kim 2014-12-12 336 BUG_ON(PageReserved(page)); 0c81585499601a Qian Cai 2019-03-05 337 kmemleak_free(addr); eefa864b701d78 Joonsoo Kim 2014-12-12 338 free_pages_exact(addr, table_size); eefa864b701d78 Joonsoo Kim 2014-12-12 339 } eefa864b701d78 Joonsoo Kim 2014-12-12 340 } eefa864b701d78 Joonsoo Kim 2014-12-12 341 :::::: The code at line 323 was first introduced by commit :::::: 15995a35247442aefa0ffe36a6dad51cb46b0918 mm: report per-page metadata information :::::: TO: Sourav Panda <souravpanda@xxxxxxxxxx> :::::: CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
