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Peter Anvin" , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Juergen Gross , Kevin Brodsky , Muchun Song , Oscar Salvador , Joao Martins , Lorenzo Stoakes , Jane Chu , Alistair Popple , Mike Rapoport , David Hildenbrand , Gwan-gyeong Mun , "Aneesh Kumar K . V" Subject: Re: [PATCH v2 mm-hotfixes 3/5] x86/mm: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings() Message-ID: <202507211433.J7CqBp8O-lkp@intel.com> References: <20250720234203.9126-4-harry.yoo@oracle.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250720234203.9126-4-harry.yoo@oracle.com> Hi Harry, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Harry-Yoo/mm-move-page-table-sync-declarations-to-asm-pgalloc-h/20250721-074448 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250720234203.9126-4-harry.yoo%40oracle.com patch subject: [PATCH v2 mm-hotfixes 3/5] x86/mm: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings() config: i386-buildonly-randconfig-003-20250721 (https://download.01.org/0day-ci/archive/20250721/202507211433.J7CqBp8O-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250721/202507211433.J7CqBp8O-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202507211433.J7CqBp8O-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/mremap.c:31: >> arch/x86/include/asm/pgalloc.h:13: warning: "ARCH_PAGE_TABLE_SYNC_MASK" redefined 13 | #define ARCH_PAGE_TABLE_SYNC_MASK \ | In file included from arch/x86/include/asm/pgtable_32_types.h:15, from arch/x86/include/asm/pgtable_types.h:278, from arch/x86/include/asm/paravirt_types.h:11, from arch/x86/include/asm/ptrace.h:175, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:59, from include/linux/thread_info.h:60, from include/linux/spinlock.h:60, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/mremap.c:11: arch/x86/include/asm/pgtable-2level_types.h:21: note: this is the location of the previous definition 21 | #define ARCH_PAGE_TABLE_SYNC_MASK PGTBL_PMD_MODIFIED | vim +/ARCH_PAGE_TABLE_SYNC_MASK +13 arch/x86/include/asm/pgalloc.h 10 11 #define __HAVE_ARCH_PTE_ALLOC_ONE 12 #define __HAVE_ARCH_PGD_FREE > 13 #define ARCH_PAGE_TABLE_SYNC_MASK \ 14 (pgtable_l5_enabled() ? PGTBL_PGD_MODIFIED : PGTBL_P4D_MODIFIED) 15 #include 16 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki