Re: [PATCH 5/8] crash_core: add generic function to do reservation

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On 08/27/23 at 09:53pm, kernel test robot wrote:
> Hi Baoquan,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on tip/x86/core]
> [also build test ERROR on powerpc/next powerpc/fixes linus/master v6.5-rc7]
> [cannot apply to arm64/for-next/core next-20230825]
> [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/Baoquan-He/crash_core-c-remove-unnecessary-parameter-of-function/20230827-181555
> base:   tip/x86/core
> patch link:    https://lore.kernel.org/r/20230827101128.70931-6-bhe%40redhat.com
> patch subject: [PATCH 5/8] crash_core: add generic function to do reservation
> config: csky-defconfig (https://download.01.org/0day-ci/archive/20230827/202308272150.p3kRkMoF-lkp@xxxxxxxxx/config)
> compiler: csky-linux-gcc (GCC) 13.2.0
> reproduce: (https://download.01.org/0day-ci/archive/20230827/202308272150.p3kRkMoF-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/202308272150.p3kRkMoF-lkp@xxxxxxxxx/

Thanks for reporting this. The error is caused by patch 3:
[PATCH 3/8] include/linux/kexec.h: move down crash_core.h including

In this lkp's config, CONFIG_CRASH_CORE=y and CONFIG_KEXEC_CORE=n, the
moving down of crash_core.h including will triger the error. I will
think of another way to fix this.

> 
> All errors (new ones prefixed by >>):
> 
>      537 | void __weak arch_crash_save_vmcoreinfo(void)
>          |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:540:20: warning: no previous prototype for 'paddr_vmcoreinfo_note' [-Wmissing-prototypes]
>      540 | phys_addr_t __weak paddr_vmcoreinfo_note(void)
>          |                    ^~~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c: In function 'crash_save_vmcoreinfo_init':
>    kernel/crash_core.c:554:45: error: 'VMCOREINFO_NOTE_SIZE' undeclared (first use in this function)
>      554 |         vmcoreinfo_note = alloc_pages_exact(VMCOREINFO_NOTE_SIZE,
>          |                                             ^~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:563:9: error: implicit declaration of function 'VMCOREINFO_OSRELEASE' [-Werror=implicit-function-declaration]
>      563 |         VMCOREINFO_OSRELEASE(init_uts_ns.name.release);
>          |         ^~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:564:9: error: implicit declaration of function 'VMCOREINFO_BUILD_ID' [-Werror=implicit-function-declaration]
>      564 |         VMCOREINFO_BUILD_ID();
>          |         ^~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:565:9: error: implicit declaration of function 'VMCOREINFO_PAGESIZE' [-Werror=implicit-function-declaration]
>      565 |         VMCOREINFO_PAGESIZE(PAGE_SIZE);
>          |         ^~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:567:9: error: implicit declaration of function 'VMCOREINFO_SYMBOL' [-Werror=implicit-function-declaration]
>      567 |         VMCOREINFO_SYMBOL(init_uts_ns);
>          |         ^~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:568:9: error: implicit declaration of function 'VMCOREINFO_OFFSET' [-Werror=implicit-function-declaration]
>      568 |         VMCOREINFO_OFFSET(uts_namespace, name);
>          |         ^~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:568:27: error: 'uts_namespace' undeclared (first use in this function)
>      568 |         VMCOREINFO_OFFSET(uts_namespace, name);
>          |                           ^~~~~~~~~~~~~
>    kernel/crash_core.c:568:42: error: 'name' undeclared (first use in this function)
>      568 |         VMCOREINFO_OFFSET(uts_namespace, name);
>          |                                          ^~~~
>    kernel/crash_core.c:571:9: error: implicit declaration of function 'VMCOREINFO_SYMBOL_ARRAY' [-Werror=implicit-function-declaration]
>      571 |         VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir);
>          |         ^~~~~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:588:9: error: implicit declaration of function 'VMCOREINFO_STRUCT_SIZE' [-Werror=implicit-function-declaration]
>      588 |         VMCOREINFO_STRUCT_SIZE(page);
>          |         ^~~~~~~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:588:32: error: 'page' undeclared (first use in this function)
>      588 |         VMCOREINFO_STRUCT_SIZE(page);
>          |                                ^~~~
>    kernel/crash_core.c:589:32: error: 'pglist_data' undeclared (first use in this function)
>      589 |         VMCOREINFO_STRUCT_SIZE(pglist_data);
>          |                                ^~~~~~~~~~~
>    kernel/crash_core.c:590:32: error: 'zone' undeclared (first use in this function)
>      590 |         VMCOREINFO_STRUCT_SIZE(zone);
>          |                                ^~~~
>    kernel/crash_core.c:591:32: error: 'free_area' undeclared (first use in this function)
>      591 |         VMCOREINFO_STRUCT_SIZE(free_area);
>          |                                ^~~~~~~~~
>    kernel/crash_core.c:592:32: error: 'list_head' undeclared (first use in this function)
>      592 |         VMCOREINFO_STRUCT_SIZE(list_head);
>          |                                ^~~~~~~~~
>    kernel/crash_core.c:593:9: error: implicit declaration of function 'VMCOREINFO_SIZE' [-Werror=implicit-function-declaration]
>      593 |         VMCOREINFO_SIZE(nodemask_t);
>          |         ^~~~~~~~~~~~~~~
>    kernel/crash_core.c:593:25: error: expected expression before 'nodemask_t'
>      593 |         VMCOREINFO_SIZE(nodemask_t);
>          |                         ^~~~~~~~~~
>    kernel/crash_core.c:594:33: error: 'flags' undeclared (first use in this function); did you mean 'fls'?
>      594 |         VMCOREINFO_OFFSET(page, flags);
>          |                                 ^~~~~
>          |                                 fls
>    kernel/crash_core.c:595:33: error: '_refcount' undeclared (first use in this function); did you mean 'seqcount'?
>      595 |         VMCOREINFO_OFFSET(page, _refcount);
>          |                                 ^~~~~~~~~
>          |                                 seqcount
>    kernel/crash_core.c:596:33: error: 'mapping' undeclared (first use in this function)
>      596 |         VMCOREINFO_OFFSET(page, mapping);
>          |                                 ^~~~~~~
>    kernel/crash_core.c:597:33: error: 'lru' undeclared (first use in this function)
>      597 |         VMCOREINFO_OFFSET(page, lru);
>          |                                 ^~~
>    kernel/crash_core.c:598:33: error: '_mapcount' undeclared (first use in this function); did you mean 'nmi_count'?
>      598 |         VMCOREINFO_OFFSET(page, _mapcount);
>          |                                 ^~~~~~~~~
>          |                                 nmi_count
>    kernel/crash_core.c:599:33: error: 'private' undeclared (first use in this function); did you mean 'PG_private'?
>      599 |         VMCOREINFO_OFFSET(page, private);
>          |                                 ^~~~~~~
>          |                                 PG_private
>    kernel/crash_core.c:600:27: error: 'folio' undeclared (first use in this function)
>      600 |         VMCOREINFO_OFFSET(folio, _folio_dtor);
>          |                           ^~~~~
>    kernel/crash_core.c:600:34: error: '_folio_dtor' undeclared (first use in this function)
>      600 |         VMCOREINFO_OFFSET(folio, _folio_dtor);
>          |                                  ^~~~~~~~~~~
>    kernel/crash_core.c:601:34: error: '_folio_order' undeclared (first use in this function); did you mean 'folio_order'?
>      601 |         VMCOREINFO_OFFSET(folio, _folio_order);
>          |                                  ^~~~~~~~~~~~
>          |                                  folio_order
>    kernel/crash_core.c:602:33: error: 'compound_head' undeclared (first use in this function); did you mean '_compound_head'?
>      602 |         VMCOREINFO_OFFSET(page, compound_head);
>          |                                 ^~~~~~~~~~~~~
>          |                                 _compound_head
>    kernel/crash_core.c:603:40: error: 'node_zones' undeclared (first use in this function); did you mean 'node_zonelist'?
>      603 |         VMCOREINFO_OFFSET(pglist_data, node_zones);
>          |                                        ^~~~~~~~~~
>          |                                        node_zonelist
>    kernel/crash_core.c:604:40: error: 'nr_zones' undeclared (first use in this function)
>      604 |         VMCOREINFO_OFFSET(pglist_data, nr_zones);
>          |                                        ^~~~~~~~
> >> kernel/crash_core.c:606:40: error: 'node_mem_map' undeclared (first use in this function); did you mean 'node_remap'?
>      606 |         VMCOREINFO_OFFSET(pglist_data, node_mem_map);
>          |                                        ^~~~~~~~~~~~
>          |                                        node_remap
>    kernel/crash_core.c:608:40: error: 'node_start_pfn' undeclared (first use in this function)
>      608 |         VMCOREINFO_OFFSET(pglist_data, node_start_pfn);
>          |                                        ^~~~~~~~~~~~~~
>    kernel/crash_core.c:609:40: error: 'node_spanned_pages' undeclared (first use in this function); did you mean 'zone_managed_pages'?
>      609 |         VMCOREINFO_OFFSET(pglist_data, node_spanned_pages);
>          |                                        ^~~~~~~~~~~~~~~~~~
>          |                                        zone_managed_pages
>    kernel/crash_core.c:610:40: error: 'node_id' undeclared (first use in this function)
>      610 |         VMCOREINFO_OFFSET(pglist_data, node_id);
>          |                                        ^~~~~~~
>    kernel/crash_core.c:612:33: error: 'vm_stat' undeclared (first use in this function); did you mean 'vfs_stat'?
>      612 |         VMCOREINFO_OFFSET(zone, vm_stat);
>          |                                 ^~~~~~~
>          |                                 vfs_stat
>    kernel/crash_core.c:613:33: error: 'spanned_pages' undeclared (first use in this function); did you mean 'shake_page'?
>      613 |         VMCOREINFO_OFFSET(zone, spanned_pages);
>          |                                 ^~~~~~~~~~~~~
>          |                                 shake_page
>    kernel/crash_core.c:614:38: error: 'free_list' undeclared (first use in this function); did you mean 'kfree_link'?
>      614 |         VMCOREINFO_OFFSET(free_area, free_list);
>          |                                      ^~~~~~~~~
>          |                                      kfree_link
>    kernel/crash_core.c:615:38: error: 'next' undeclared (first use in this function); did you mean 'net'?
>      615 |         VMCOREINFO_OFFSET(list_head, next);
>          |                                      ^~~~
>          |                                      net
>    kernel/crash_core.c:616:38: error: 'prev' undeclared (first use in this function)
>      616 |         VMCOREINFO_OFFSET(list_head, prev);
>          |                                      ^~~~
>    kernel/crash_core.c:617:27: error: 'vmap_area' undeclared (first use in this function)
>      617 |         VMCOREINFO_OFFSET(vmap_area, va_start);
>          |                           ^~~~~~~~~
>    kernel/crash_core.c:617:38: error: 'va_start' undeclared (first use in this function); did you mean '_start'?
>      617 |         VMCOREINFO_OFFSET(vmap_area, va_start);
>          |                                      ^~~~~~~~
>          |                                      _start
>    kernel/crash_core.c:618:38: error: 'list' undeclared (first use in this function)
>      618 |         VMCOREINFO_OFFSET(vmap_area, list);
>          |                                      ^~~~
>    kernel/crash_core.c:619:9: error: implicit declaration of function 'VMCOREINFO_LENGTH' [-Werror=implicit-function-declaration]
>      619 |         VMCOREINFO_LENGTH(zone.free_area, MAX_ORDER + 1);
>          |         ^~~~~~~~~~~~~~~~~
>    kernel/crash_core.c:622:9: error: implicit declaration of function 'VMCOREINFO_NUMBER' [-Werror=implicit-function-declaration]
>      622 |         VMCOREINFO_NUMBER(NR_FREE_PAGES);
>          |         ^~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
> 
> 
> vim +606 kernel/crash_core.c
> 
> 692f66f26a4c19d Hari Bathini            2017-05-08  545  
> 692f66f26a4c19d Hari Bathini            2017-05-08  546  static int __init crash_save_vmcoreinfo_init(void)
> 692f66f26a4c19d Hari Bathini            2017-05-08  547  {
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  548  	vmcoreinfo_data = (unsigned char *)get_zeroed_page(GFP_KERNEL);
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  549  	if (!vmcoreinfo_data) {
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  550  		pr_warn("Memory allocation for vmcoreinfo_data failed\n");
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  551  		return -ENOMEM;
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  552  	}
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  553  
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  554  	vmcoreinfo_note = alloc_pages_exact(VMCOREINFO_NOTE_SIZE,
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  555  						GFP_KERNEL | __GFP_ZERO);
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  556  	if (!vmcoreinfo_note) {
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  557  		free_page((unsigned long)vmcoreinfo_data);
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  558  		vmcoreinfo_data = NULL;
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  559  		pr_warn("Memory allocation for vmcoreinfo_note failed\n");
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  560  		return -ENOMEM;
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  561  	}
> 203e9e41219b4e7 Xunlei Pang             2017-07-12  562  
> 692f66f26a4c19d Hari Bathini            2017-05-08  563  	VMCOREINFO_OSRELEASE(init_uts_ns.name.release);
> 44e8a5e9120bf4f Stephen Boyd            2021-07-07  564  	VMCOREINFO_BUILD_ID();
> 692f66f26a4c19d Hari Bathini            2017-05-08  565  	VMCOREINFO_PAGESIZE(PAGE_SIZE);
> 692f66f26a4c19d Hari Bathini            2017-05-08  566  
> 692f66f26a4c19d Hari Bathini            2017-05-08  567  	VMCOREINFO_SYMBOL(init_uts_ns);
> ca4a9241cc5e718 Alexander Egorenkov     2020-12-15  568  	VMCOREINFO_OFFSET(uts_namespace, name);
> 692f66f26a4c19d Hari Bathini            2017-05-08  569  	VMCOREINFO_SYMBOL(node_online_map);
> 692f66f26a4c19d Hari Bathini            2017-05-08  570  #ifdef CONFIG_MMU
> eff4345e7fba0aa Omar Sandoval           2018-08-21  571  	VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir);
> 692f66f26a4c19d Hari Bathini            2017-05-08  572  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  573  	VMCOREINFO_SYMBOL(_stext);
> 692f66f26a4c19d Hari Bathini            2017-05-08  574  	VMCOREINFO_SYMBOL(vmap_area_list);
> 692f66f26a4c19d Hari Bathini            2017-05-08  575  
> a9ee6cf5c60ed10 Mike Rapoport           2021-06-28  576  #ifndef CONFIG_NUMA
> 692f66f26a4c19d Hari Bathini            2017-05-08  577  	VMCOREINFO_SYMBOL(mem_map);
> 692f66f26a4c19d Hari Bathini            2017-05-08  578  	VMCOREINFO_SYMBOL(contig_page_data);
> 692f66f26a4c19d Hari Bathini            2017-05-08  579  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  580  #ifdef CONFIG_SPARSEMEM
> a0b1280368d1e91 Kirill A. Shutemov      2018-01-12  581  	VMCOREINFO_SYMBOL_ARRAY(mem_section);
> 692f66f26a4c19d Hari Bathini            2017-05-08  582  	VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS);
> 692f66f26a4c19d Hari Bathini            2017-05-08  583  	VMCOREINFO_STRUCT_SIZE(mem_section);
> 692f66f26a4c19d Hari Bathini            2017-05-08  584  	VMCOREINFO_OFFSET(mem_section, section_mem_map);
> 4f5aecdff25f59f Pingfan Liu             2021-06-15  585  	VMCOREINFO_NUMBER(SECTION_SIZE_BITS);
> 1d50e5d0c505244 Bhupesh Sharma          2020-05-14  586  	VMCOREINFO_NUMBER(MAX_PHYSMEM_BITS);
> 692f66f26a4c19d Hari Bathini            2017-05-08  587  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  588  	VMCOREINFO_STRUCT_SIZE(page);
> 692f66f26a4c19d Hari Bathini            2017-05-08  589  	VMCOREINFO_STRUCT_SIZE(pglist_data);
> 692f66f26a4c19d Hari Bathini            2017-05-08  590  	VMCOREINFO_STRUCT_SIZE(zone);
> 692f66f26a4c19d Hari Bathini            2017-05-08  591  	VMCOREINFO_STRUCT_SIZE(free_area);
> 692f66f26a4c19d Hari Bathini            2017-05-08  592  	VMCOREINFO_STRUCT_SIZE(list_head);
> 692f66f26a4c19d Hari Bathini            2017-05-08  593  	VMCOREINFO_SIZE(nodemask_t);
> 692f66f26a4c19d Hari Bathini            2017-05-08  594  	VMCOREINFO_OFFSET(page, flags);
> 692f66f26a4c19d Hari Bathini            2017-05-08  595  	VMCOREINFO_OFFSET(page, _refcount);
> 692f66f26a4c19d Hari Bathini            2017-05-08  596  	VMCOREINFO_OFFSET(page, mapping);
> 692f66f26a4c19d Hari Bathini            2017-05-08  597  	VMCOREINFO_OFFSET(page, lru);
> 692f66f26a4c19d Hari Bathini            2017-05-08  598  	VMCOREINFO_OFFSET(page, _mapcount);
> 692f66f26a4c19d Hari Bathini            2017-05-08  599  	VMCOREINFO_OFFSET(page, private);
> 1c5509be58f636a Matthew Wilcox (Oracle  2023-01-11  600) 	VMCOREINFO_OFFSET(folio, _folio_dtor);
> 1c5509be58f636a Matthew Wilcox (Oracle  2023-01-11  601) 	VMCOREINFO_OFFSET(folio, _folio_order);
> 692f66f26a4c19d Hari Bathini            2017-05-08  602  	VMCOREINFO_OFFSET(page, compound_head);
> 692f66f26a4c19d Hari Bathini            2017-05-08  603  	VMCOREINFO_OFFSET(pglist_data, node_zones);
> 692f66f26a4c19d Hari Bathini            2017-05-08  604  	VMCOREINFO_OFFSET(pglist_data, nr_zones);
> 43b02ba93b25b1c Mike Rapoport           2021-06-28  605  #ifdef CONFIG_FLATMEM
> 692f66f26a4c19d Hari Bathini            2017-05-08 @606  	VMCOREINFO_OFFSET(pglist_data, node_mem_map);
> 692f66f26a4c19d Hari Bathini            2017-05-08  607  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  608  	VMCOREINFO_OFFSET(pglist_data, node_start_pfn);
> 692f66f26a4c19d Hari Bathini            2017-05-08  609  	VMCOREINFO_OFFSET(pglist_data, node_spanned_pages);
> 692f66f26a4c19d Hari Bathini            2017-05-08  610  	VMCOREINFO_OFFSET(pglist_data, node_id);
> 692f66f26a4c19d Hari Bathini            2017-05-08  611  	VMCOREINFO_OFFSET(zone, free_area);
> 692f66f26a4c19d Hari Bathini            2017-05-08  612  	VMCOREINFO_OFFSET(zone, vm_stat);
> 692f66f26a4c19d Hari Bathini            2017-05-08  613  	VMCOREINFO_OFFSET(zone, spanned_pages);
> 692f66f26a4c19d Hari Bathini            2017-05-08  614  	VMCOREINFO_OFFSET(free_area, free_list);
> 692f66f26a4c19d Hari Bathini            2017-05-08  615  	VMCOREINFO_OFFSET(list_head, next);
> 692f66f26a4c19d Hari Bathini            2017-05-08  616  	VMCOREINFO_OFFSET(list_head, prev);
> 692f66f26a4c19d Hari Bathini            2017-05-08  617  	VMCOREINFO_OFFSET(vmap_area, va_start);
> 692f66f26a4c19d Hari Bathini            2017-05-08  618  	VMCOREINFO_OFFSET(vmap_area, list);
> 23baf831a32c04f Kirill A. Shutemov      2023-03-15  619  	VMCOREINFO_LENGTH(zone.free_area, MAX_ORDER + 1);
> 692f66f26a4c19d Hari Bathini            2017-05-08  620  	log_buf_vmcoreinfo_setup();
> 692f66f26a4c19d Hari Bathini            2017-05-08  621  	VMCOREINFO_LENGTH(free_area.free_list, MIGRATE_TYPES);
> 692f66f26a4c19d Hari Bathini            2017-05-08  622  	VMCOREINFO_NUMBER(NR_FREE_PAGES);
> 692f66f26a4c19d Hari Bathini            2017-05-08  623  	VMCOREINFO_NUMBER(PG_lru);
> 692f66f26a4c19d Hari Bathini            2017-05-08  624  	VMCOREINFO_NUMBER(PG_private);
> 692f66f26a4c19d Hari Bathini            2017-05-08  625  	VMCOREINFO_NUMBER(PG_swapcache);
> 1cbf29da3628b66 Petr Tesarik            2018-04-13  626  	VMCOREINFO_NUMBER(PG_swapbacked);
> 692f66f26a4c19d Hari Bathini            2017-05-08  627  	VMCOREINFO_NUMBER(PG_slab);
> 692f66f26a4c19d Hari Bathini            2017-05-08  628  #ifdef CONFIG_MEMORY_FAILURE
> 692f66f26a4c19d Hari Bathini            2017-05-08  629  	VMCOREINFO_NUMBER(PG_hwpoison);
> 692f66f26a4c19d Hari Bathini            2017-05-08  630  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  631  	VMCOREINFO_NUMBER(PG_head_mask);
> 6e292b9be7f4358 Matthew Wilcox          2018-06-07  632  #define PAGE_BUDDY_MAPCOUNT_VALUE	(~PG_buddy)
> 692f66f26a4c19d Hari Bathini            2017-05-08  633  	VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
> 692f66f26a4c19d Hari Bathini            2017-05-08  634  #ifdef CONFIG_HUGETLB_PAGE
> 692f66f26a4c19d Hari Bathini            2017-05-08  635  	VMCOREINFO_NUMBER(HUGETLB_PAGE_DTOR);
> e04b742f74c2362 David Hildenbrand       2019-03-05  636  #define PAGE_OFFLINE_MAPCOUNT_VALUE	(~PG_offline)
> e04b742f74c2362 David Hildenbrand       2019-03-05  637  	VMCOREINFO_NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE);
> 692f66f26a4c19d Hari Bathini            2017-05-08  638  #endif
> 692f66f26a4c19d Hari Bathini            2017-05-08  639  
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
> 


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