tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 27cc6fdf720183dce1dbd293483ec5a9cb6b595e commit: 7a87225ae2c6c317c7b80cf599e5cf0eee699196 x86: remove PG_uncached date: 4 weeks ago config: x86_64-randconfig-003-20241002 (https://download.01.org/0day-ci/archive/20241005/202410051828.Pb7a79Gu-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410051828.Pb7a79Gu-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/202410051828.Pb7a79Gu-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/x86/mm/pat/memtype.c:128:39: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'? 128 | unsigned long pg_flags = pg->flags & _PGMT_MASK; | ^ arch/x86/mm/pat/memtype.c:123:29: note: expanded from macro '_PGMT_MASK' 123 | #define _PGMT_MASK (1UL << PG_arch_2 | 1UL << PG_arch_1) | ^ include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here 106 | PG_arch_1, | ^ arch/x86/mm/pat/memtype.c:134:23: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'? 134 | else if (pg_flags == _PGMT_UC_MINUS) | ^ arch/x86/mm/pat/memtype.c:121:33: note: expanded from macro '_PGMT_UC_MINUS' 121 | #define _PGMT_UC_MINUS (1UL << PG_arch_2) | ^ include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here 106 | PG_arch_1, | ^ arch/x86/mm/pat/memtype.c:152:19: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'? 152 | memtype_flags = _PGMT_UC_MINUS; | ^ arch/x86/mm/pat/memtype.c:121:33: note: expanded from macro '_PGMT_UC_MINUS' 121 | #define _PGMT_UC_MINUS (1UL << PG_arch_2) | ^ include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here 106 | PG_arch_1, | ^ arch/x86/mm/pat/memtype.c:155:19: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'? 155 | memtype_flags = _PGMT_WT; | ^ arch/x86/mm/pat/memtype.c:122:27: note: expanded from macro '_PGMT_WT' 122 | #define _PGMT_WT (1UL << PG_arch_2 | 1UL << PG_arch_1) | ^ include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here 106 | PG_arch_1, | ^ arch/x86/mm/pat/memtype.c:165:28: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'? 165 | new_flags = (old_flags & _PGMT_CLEAR_MASK) | memtype_flags; | ^ arch/x86/mm/pat/memtype.c:124:28: note: expanded from macro '_PGMT_CLEAR_MASK' 124 | #define _PGMT_CLEAR_MASK (~_PGMT_MASK) | ^ arch/x86/mm/pat/memtype.c:123:29: note: expanded from macro '_PGMT_MASK' 123 | #define _PGMT_MASK (1UL << PG_arch_2 | 1UL << PG_arch_1) | ^ include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here 106 | PG_arch_1, | ^ 5 errors generated. vim +128 arch/x86/mm/pat/memtype.c 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 125 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 126 static inline enum page_cache_mode get_page_memtype(struct page *pg) 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 127 { 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 @128 unsigned long pg_flags = pg->flags & _PGMT_MASK; 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 129 35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 130 if (pg_flags == _PGMT_WB) 35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 131 return _PAGE_CACHE_MODE_WB; 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 132 else if (pg_flags == _PGMT_WC) 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 133 return _PAGE_CACHE_MODE_WC; 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 134 else if (pg_flags == _PGMT_UC_MINUS) 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 135 return _PAGE_CACHE_MODE_UC_MINUS; 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 136 else 35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 137 return _PAGE_CACHE_MODE_WT; 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 138 } 0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 139 :::::: The code at line 128 was first introduced by commit :::::: 0dbcae884779fdf7e2239a97ac7488877f0693d9 x86: mm: Move PAT only functions to mm/pat.c :::::: TO: Thomas Gleixner <tglx@xxxxxxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki