tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 727900b675b749c40ba1f6669c7ae5eb7eb8e837 commit: 284f5619c605dadceadcad1e807cd08503ae13c5 [3462/3504] Merge branch 'rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git config: riscv-randconfig-r112-20240403 (https://download.01.org/0day-ci/archive/20240404/202404041017.bDUZVz4r-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240404/202404041017.bDUZVz4r-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/202404041017.bDUZVz4r-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned long [usertype] old @@ got struct folio *__old @@ mm/huge_memory.c:207:13: sparse: expected unsigned long [usertype] old mm/huge_memory.c:207:13: sparse: got struct folio *__old >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long [usertype] new @@ got struct folio *__new @@ mm/huge_memory.c:207:13: sparse: expected unsigned long [usertype] new mm/huge_memory.c:207:13: sparse: got struct folio *__new >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected struct folio *__ret @@ got unsigned long @@ mm/huge_memory.c:207:13: sparse: expected struct folio *__ret mm/huge_memory.c:207:13: sparse: got unsigned long >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned long [usertype] old @@ got struct folio *__old @@ mm/huge_memory.c:207:13: sparse: expected unsigned long [usertype] old mm/huge_memory.c:207:13: sparse: got struct folio *__old >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long [usertype] new @@ got struct folio *__new @@ mm/huge_memory.c:207:13: sparse: expected unsigned long [usertype] new mm/huge_memory.c:207:13: sparse: got struct folio *__new >> mm/huge_memory.c:207:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected struct folio *__ret @@ got unsigned long @@ mm/huge_memory.c:207:13: sparse: expected struct folio *__ret mm/huge_memory.c:207:13: sparse: got unsigned long mm/huge_memory.c:1743:20: sparse: sparse: context imbalance in 'madvise_free_huge_pmd' - unexpected unlock mm/huge_memory.c:1781:28: sparse: sparse: context imbalance in 'zap_huge_pmd' - unexpected unlock mm/huge_memory.c:1892:28: sparse: sparse: context imbalance in 'move_huge_pmd' - unexpected unlock mm/huge_memory.c:2033:20: sparse: sparse: context imbalance in 'change_huge_pmd' - unexpected unlock mm/huge_memory.c:2068:28: sparse: sparse: context imbalance in 'move_pages_huge_pmd' - unexpected unlock mm/huge_memory.c:2183:12: sparse: sparse: context imbalance in '__pmd_trans_huge_lock' - wrong count at exit mm/huge_memory.c:2303:18: sparse: sparse: context imbalance in '__split_huge_zero_page_pmd' - unexpected unlock mm/huge_memory.c:2514:18: sparse: sparse: context imbalance in '__split_huge_pmd_locked' - unexpected unlock mm/huge_memory.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h): include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false mm/huge_memory.c:2841:9: sparse: sparse: context imbalance in '__split_huge_page' - different lock contexts for basic block mm/huge_memory.c:3098:17: sparse: sparse: context imbalance in 'split_huge_page_to_list_to_order' - different lock contexts for basic block include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false vim +207 mm/huge_memory.c 7635d9cbe8327e Michal Hocko 2018-12-28 192 aaa9705b4af360 Miaohe Lin 2021-05-04 193 static bool get_huge_zero_page(void) 97ae17497e996f Kirill A. Shutemov 2012-12-12 194 { 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 195) struct folio *zero_folio; 97ae17497e996f Kirill A. Shutemov 2012-12-12 196 retry: 97ae17497e996f Kirill A. Shutemov 2012-12-12 197 if (likely(atomic_inc_not_zero(&huge_zero_refcount))) aaa9705b4af360 Miaohe Lin 2021-05-04 198 return true; 97ae17497e996f Kirill A. Shutemov 2012-12-12 199 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 200) zero_folio = folio_alloc((GFP_TRANSHUGE | __GFP_ZERO) & ~__GFP_MOVABLE, 4a6c1297268c91 Kirill A. Shutemov 2012-12-12 201 HPAGE_PMD_ORDER); 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 202) if (!zero_folio) { d8a8e1f0da3d29 Kirill A. Shutemov 2012-12-12 203 count_vm_event(THP_ZERO_PAGE_ALLOC_FAILED); aaa9705b4af360 Miaohe Lin 2021-05-04 204 return false; d8a8e1f0da3d29 Kirill A. Shutemov 2012-12-12 205 } 97ae17497e996f Kirill A. Shutemov 2012-12-12 206 preempt_disable(); 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 @207) if (cmpxchg(&huge_zero_folio, NULL, zero_folio)) { 97ae17497e996f Kirill A. Shutemov 2012-12-12 208 preempt_enable(); 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 209) folio_put(zero_folio); 97ae17497e996f Kirill A. Shutemov 2012-12-12 210 goto retry; 4a6c1297268c91 Kirill A. Shutemov 2012-12-12 211 } 6c768b74689de7 Matthew Wilcox (Oracle 2024-03-26 212) WRITE_ONCE(huge_zero_pfn, folio_pfn(zero_folio)); 4a6c1297268c91 Kirill A. Shutemov 2012-12-12 213 97ae17497e996f Kirill A. Shutemov 2012-12-12 214 /* We take additional reference here. It will be put back by shrinker */ 97ae17497e996f Kirill A. Shutemov 2012-12-12 215 atomic_set(&huge_zero_refcount, 2); 97ae17497e996f Kirill A. Shutemov 2012-12-12 216 preempt_enable(); f4981502088f8e Liu Shixin 2022-09-09 217 count_vm_event(THP_ZERO_PAGE_ALLOC); aaa9705b4af360 Miaohe Lin 2021-05-04 218 return true; 97ae17497e996f Kirill A. Shutemov 2012-12-12 219 } 97ae17497e996f Kirill A. Shutemov 2012-12-12 220 :::::: The code at line 207 was first introduced by commit :::::: 6c768b74689de72ea86a428597acc9f0ef0c9236 mm: convert huge_zero_page to huge_zero_folio :::::: TO: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> :::::: CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
