Hi Kirill, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/core] [also build test ERROR on tip/master linus/master tip/x86/mm v6.10-rc5 next-20240625] [cannot apply to tip/auto-latest] [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/Kirill-A-Shutemov/x86-64-mm-Always-use-dynamic-memory-layout/20240625-183159 base: tip/x86/core patch link: https://lore.kernel.org/r/20240621164406.256314-4-kirill.shutemov%40linux.intel.com patch subject: [PATCH 3/3] x86/64/mm: Make 5-level paging support unconditional config: i386-buildonly-randconfig-004-20240626 (https://download.01.org/0day-ci/archive/20240626/202406260735.rkb4c8N7-lkp@xxxxxxxxx/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240626/202406260735.rkb4c8N7-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/202406260735.rkb4c8N7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/x86/mm/pgtable.c:699:5: error: redefinition of 'p4d_set_huge' 699 | int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot) | ^~~~~~~~~~~~ In file included from include/linux/mm.h:30, from arch/x86/mm/pgtable.c:2: include/linux/pgtable.h:1665:19: note: previous definition of 'p4d_set_huge' with type 'int(p4d_t *, phys_addr_t, pgprot_t)' {aka 'int(p4d_t *, long long unsigned int, struct pgprot)'} 1665 | static inline int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot) | ^~~~~~~~~~~~ >> arch/x86/mm/pgtable.c:709:6: error: redefinition of 'p4d_clear_huge' 709 | void p4d_clear_huge(p4d_t *p4d) | ^~~~~~~~~~~~~~ include/linux/pgtable.h:1669:20: note: previous definition of 'p4d_clear_huge' with type 'void(p4d_t *)' 1669 | static inline void p4d_clear_huge(p4d_t *p4d) { } | ^~~~~~~~~~~~~~ vim +/p4d_set_huge +699 arch/x86/mm/pgtable.c 6b6378355b9250 Toshi Kani 2015-04-14 692 6b6378355b9250 Toshi Kani 2015-04-14 693 #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP b8504058a06bd1 Kirill A. Shutemov 2017-03-30 694 /** b8504058a06bd1 Kirill A. Shutemov 2017-03-30 695 * p4d_set_huge - setup kernel P4D mapping b8504058a06bd1 Kirill A. Shutemov 2017-03-30 696 * b8504058a06bd1 Kirill A. Shutemov 2017-03-30 697 * No 512GB pages yet -- always return 0 b8504058a06bd1 Kirill A. Shutemov 2017-03-30 698 */ b8504058a06bd1 Kirill A. Shutemov 2017-03-30 @699 int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot) b8504058a06bd1 Kirill A. Shutemov 2017-03-30 700 { b8504058a06bd1 Kirill A. Shutemov 2017-03-30 701 return 0; b8504058a06bd1 Kirill A. Shutemov 2017-03-30 702 } b8504058a06bd1 Kirill A. Shutemov 2017-03-30 703 b8504058a06bd1 Kirill A. Shutemov 2017-03-30 704 /** b8504058a06bd1 Kirill A. Shutemov 2017-03-30 705 * p4d_clear_huge - clear kernel P4D mapping when it is set b8504058a06bd1 Kirill A. Shutemov 2017-03-30 706 * b8504058a06bd1 Kirill A. Shutemov 2017-03-30 707 * No 512GB pages yet -- always return 0 b8504058a06bd1 Kirill A. Shutemov 2017-03-30 708 */ c8db8c2628afc7 Li kunyu 2022-05-12 @709 void p4d_clear_huge(p4d_t *p4d) b8504058a06bd1 Kirill A. Shutemov 2017-03-30 710 { b8504058a06bd1 Kirill A. Shutemov 2017-03-30 711 } b8504058a06bd1 Kirill A. Shutemov 2017-03-30 712 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
