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: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231109/202311092356.XzY1aBHX-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231109/202311092356.XzY1aBHX-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/202311092356.XzY1aBHX-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:22, from include/linux/topology.h:33, from include/linux/irq.h:19, from include/asm-generic/hardirq.h:17, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from arch/m68k/kernel/asm-offsets.c:16: >> include/linux/mm_types.h:1416:42: error: field 'arch' has incomplete type 1416 | struct arch_tlbflush_unmap_batch arch; | ^~~~ make[3]: *** [scripts/Makefile.build:116: arch/m68k/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 +/arch +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