Hi Lorenzo, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.14-rc5 next-20250303] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Stoakes/mm-mremap-correctly-handle-partial-mremap-of-VMA-starting-at-0/20250303-192101 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/4cc18ebfc0cb32e9e42d86503cef3265108343e4.1740911247.git.lorenzo.stoakes%40oracle.com patch subject: [PATCH 7/7] mm/mremap: thread state through move page table operation config: x86_64-buildonly-randconfig-001-20250304 (https://download.01.org/0day-ci/archive/20250304/202503040721.0r47FGNO-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250304/202503040721.0r47FGNO-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/202503040721.0r47FGNO-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/mremap.c:11: In file included from include/linux/mm.h:2302: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/mremap.c:12: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ >> mm/mremap.c:581:43: error: too few arguments to function call, expected 5, have 3 581 | move_huge_pud(pmc, old_entry, new_entry); | ~~~~~~~~~~~~~ ^ mm/mremap.c:478:13: note: 'move_huge_pud' declared here 478 | static bool move_huge_pud(struct vm_area_struct *vma, unsigned long old_addr, | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 479 | unsigned long new_addr, pud_t *old_pud, pud_t *new_pud) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3 warnings and 1 error generated. vim +581 mm/mremap.c 552 553 /* 554 * Attempts to speedup the move by moving entry at the level corresponding to 555 * pgt_entry. Returns true if the move was successful, else false. 556 */ 557 static bool move_pgt_entry(struct pagetable_move_control *pmc, 558 enum pgt_entry entry, void *old_entry, void *new_entry) 559 { 560 bool moved = false; 561 bool need_rmap_locks = should_take_rmap_locks(pmc, entry); 562 563 /* See comment in move_ptes() */ 564 if (need_rmap_locks) 565 take_rmap_locks(pmc->old); 566 567 switch (entry) { 568 case NORMAL_PMD: 569 moved = move_normal_pmd(pmc, old_entry, new_entry); 570 break; 571 case NORMAL_PUD: 572 moved = move_normal_pud(pmc, old_entry, new_entry); 573 break; 574 case HPAGE_PMD: 575 moved = IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && 576 move_huge_pmd(pmc->old, pmc->old_addr, pmc->new_addr, old_entry, 577 new_entry); 578 break; 579 case HPAGE_PUD: 580 moved = IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && > 581 move_huge_pud(pmc, old_entry, new_entry); 582 break; 583 584 default: 585 WARN_ON_ONCE(1); 586 break; 587 } 588 589 if (need_rmap_locks) 590 drop_rmap_locks(pmc->old); 591 592 return moved; 593 } 594 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
