Hi Byungchul, kernel test robot noticed the following build errors: [auto build test ERROR on tip/sched/core] [also build test ERROR on tip/x86/core tip/x86/mm v6.6] [cannot apply to akpm-mm/mm-everything linus/master next-20231109] [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/Byungchul-Park/mm-rmap-Recognize-read-only-TLB-entries-during-batched-TLB-flush/20231109-163706 base: tip/sched/core patch link: https://lore.kernel.org/r/20231109045908.54996-3-byungchul%40sk.com patch subject: [v4 2/3] mm: Defer TLB flush by keeping both src and dst folios at migration config: um-allnoconfig (https://download.01.org/0day-ci/archive/20231110/202311100211.UAqu6dj7-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231110/202311100211.UAqu6dj7-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/202311100211.UAqu6dj7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/um/kernel/asm-offsets.c:1: In file included from arch/x86/um/shared/sysdep/kernel-offsets.h:5: In file included from include/linux/crypto.h:17: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:22: >> include/linux/mm_types.h:1416:35: error: field has incomplete type 'struct arch_tlbflush_unmap_batch' 1416 | struct arch_tlbflush_unmap_batch arch; | ^ include/linux/mm_types.h:1416:9: note: forward declaration of 'struct arch_tlbflush_unmap_batch' 1416 | struct arch_tlbflush_unmap_batch arch; | ^ In file included from arch/um/kernel/asm-offsets.c:1: arch/x86/um/shared/sysdep/kernel-offsets.h:9:6: warning: no previous prototype for function 'foo' [-Wmissing-prototypes] 9 | void foo(void) | ^ arch/x86/um/shared/sysdep/kernel-offsets.h:9:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 9 | void foo(void) | ^ | static 1 warning and 1 error generated. make[3]: *** [scripts/Makefile.build:116: arch/um/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1202: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:234: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:234: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +1416 include/linux/mm_types.h 1401 1402 struct migrc_req { 1403 /* 1404 * folios pending for TLB flush 1405 */ 1406 struct list_head folios; 1407 1408 /* 1409 * for hanging to the associated numa node 1410 */ 1411 struct llist_node llnode; 1412 1413 /* 1414 * architecture specific data for batched TLB flush 1415 */ > 1416 struct arch_tlbflush_unmap_batch arch; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
