tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git mm/tlb head: 582b5d93a5a647a6cc9d0eb605921aae8624ff15 commit: 3026e63904809dc2dcf2d007845e750cf74c119c [6/10] ia64/tlb: Fix __p*_free_tlb() config: ia64-randconfig-r011-20210216 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue mm/tlb git checkout 3026e63904809dc2dcf2d007845e750cf74c119c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): mm/memory.c: In function 'free_pmd_range': 5225 | #endif | In file included from mm/memory.c:81: 50 | tlb_remove_table((tlb), virt_to_page(pmd) | ^~~~~~~~~~~~~~~~ include/asm-generic/tlb.h:636:3: note: in expansion of macro '__pmd_free_tlb' 636 | __pmd_free_tlb(tlb, pmdp, address); \ | ^~~~~~~~~~~~~~ mm/memory.c:254:2: note: in expansion of macro 'pmd_free_tlb' 254 | pmd_free_tlb(tlb, pmd, start); | ^~~~~~~~~~~~ arch/ia64/include/asm/pgalloc.h:50:2: note: each undeclared identifier is reported only once for each function it appears in 50 | tlb_remove_table((tlb), virt_to_page(pmd) | ^~~~~~~~~~~~~~~~ include/asm-generic/tlb.h:636:3: note: in expansion of macro '__pmd_free_tlb' 636 | __pmd_free_tlb(tlb, pmdp, address); \ | ^~~~~~~~~~~~~~ mm/memory.c:254:2: note: in expansion of macro 'pmd_free_tlb' 254 | pmd_free_tlb(tlb, pmd, start); | ^~~~~~~~~~~~ 5225 | #endif | 254 | pmd_free_tlb(tlb, pmd, start); | ^~~~~~~~~~~~ At top level: mm/memory.c:193:13: warning: 'check_sync_rss_stat' defined but not used [-Wunused-function] 193 | static void check_sync_rss_stat(struct task_struct *task) | ^~~~~~~~~~~~~~~~~~~ mm/memory.c:179:13: warning: 'add_mm_counter_fast' defined but not used [-Wunused-function] 179 | static void add_mm_counter_fast(struct mm_struct *mm, int member, int val) | ^~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 vim +/tlb_remove_table +5225 mm/memory.c 49076ec2ccaf68 Kirill A. Shutemov 2013-11-14 5220 539edb5846c740 Peter Zijlstra 2013-11-14 5221 void ptlock_free(struct page *page) 49076ec2ccaf68 Kirill A. Shutemov 2013-11-14 5222 { b35f1819acd924 Kirill A. Shutemov 2014-01-21 5223 kmem_cache_free(page_ptl_cachep, page->ptl); 49076ec2ccaf68 Kirill A. Shutemov 2013-11-14 5224 } 49076ec2ccaf68 Kirill A. Shutemov 2013-11-14 @5225 #endif :::::: The code at line 5225 was first introduced by commit :::::: 49076ec2ccaf68610aa03d96bced9a6694b93ca1 mm: dynamically allocate page->ptl if it cannot be embedded to struct page :::::: TO: Kirill A. Shutemov <kirill.shutemov(a)linux.intel.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org