* [davidhildenbrand:rmap_id 10/10] include/linux/rmap.h:653:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations
@ 2024-06-19 2:21 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-06-19 2:21 UTC (permalink / raw)
To: David Hildenbrand; +Cc: llvm, oe-kbuild-all
tree: https://github.com/davidhildenbrand/linux rmap_id
head: 28522f2898f6be45285b138912245f743d2118b5
commit: d7bf123ba843ca74ae36377c58b495264fdb3dbd [10/10] rmap_id
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20240619/202406191246.kwAalz2y-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240619/202406191246.kwAalz2y-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406191246.kwAalz2y-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/filemap.c:40:
>> include/linux/rmap.h:653:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
653 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:653:4: note: did you mean 'folio_large_mapcount_sub'?
include/linux/rmap.h:477:20: note: 'folio_large_mapcount_sub' declared here
477 | static inline void folio_large_mapcount_sub(struct folio *folio,
| ^
include/linux/rmap.h:665:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
665 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
include/linux/rmap.h:767:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
767 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:785:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
785 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
4 errors generated.
--
In file included from mm/memory.c:57:
In file included from include/linux/ksm.h:14:
>> include/linux/rmap.h:653:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
653 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:653:4: note: did you mean 'folio_large_mapcount_sub'?
include/linux/rmap.h:477:20: note: 'folio_large_mapcount_sub' declared here
477 | static inline void folio_large_mapcount_sub(struct folio *folio,
| ^
include/linux/rmap.h:665:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
665 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
include/linux/rmap.h:767:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
767 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:785:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
785 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
>> mm/memory.c:3593:13: error: call to undeclared function '__folio_large_mapped_shared_locked'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
3593 | shared = __folio_large_mapped_shared_locked(folio, vma->vm_mm);
| ^
5 errors generated.
--
In file included from mm/mremap.c:15:
In file included from include/linux/ksm.h:14:
>> include/linux/rmap.h:653:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
653 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:653:4: note: did you mean 'folio_large_mapcount_sub'?
include/linux/rmap.h:477:20: note: 'folio_large_mapcount_sub' declared here
477 | static inline void folio_large_mapcount_sub(struct folio *folio,
| ^
include/linux/rmap.h:665:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
665 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
include/linux/rmap.h:767:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
767 | folio_large_mapcount_dup(folio, orig_nr_pages,
| ^
include/linux/rmap.h:785:4: error: call to undeclared function 'folio_large_mapcount_dup'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
785 | folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
| ^
In file included from mm/mremap.c:16:
include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero]
158 | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans'
136 | : ((x) & (bit1)) / ((bit1) / (bit2))))
| ^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:159:9: warning: division by zero is undefined [-Wdivision-by-zero]
159 | _calc_vm_trans(flags, MAP_STACK, VM_NOHUGEPAGE) |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans'
136 | : ((x) & (bit1)) / ((bit1) / (bit2))))
| ^ ~~~~~~~~~~~~~~~~~
2 warnings and 4 errors generated.
vim +/folio_large_mapcount_dup +653 include/linux/rmap.h
631
632 static __always_inline void __folio_dup_file_rmap(struct folio *folio,
633 struct page *page, int nr_pages, struct vm_area_struct *dst_vma,
634 enum rmap_level level)
635 {
636 const int orig_nr_pages = nr_pages;
637
638 __folio_rmap_sanity_checks(folio, page, nr_pages, level);
639
640 switch (level) {
641 case RMAP_LEVEL_PTE:
642 if (!folio_test_large(folio)) {
643 atomic_inc(&page->_mapcount);
644 break;
645 }
646
647 do {
648 atomic_inc(&page->_mapcount);
649 } while (page++, --nr_pages > 0);
650
651 if (IS_ENABLED(CONFIG_RMAP_ID)) {
652 folio_large_mapcount_lock(folio);
> 653 folio_large_mapcount_dup(folio, orig_nr_pages,
654 dst_vma->vm_mm);
655 folio_large_mapcount_unlock(folio);
656 } else {
657 atomic_add(orig_nr_pages, &folio->_large_mapcount);
658 }
659 break;
660 case RMAP_LEVEL_PMD:
661 if (IS_ENABLED(CONFIG_RMAP_ID)) {
662 folio_large_mapcount_lock(folio);
663 atomic_set(&folio->_entire_mapcount,
664 atomic_read(&folio->_entire_mapcount) + 1);
665 folio_large_mapcount_dup(folio, 1, dst_vma->vm_mm);
666 folio_large_mapcount_unlock(folio);
667 } else {
668 atomic_inc(&folio->_entire_mapcount);
669 atomic_inc(&folio->_large_mapcount);
670 }
671 break;
672 }
673 }
674
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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