Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Wilcox-Oracle/mm-Abstract-moving-to-the-next-PFN/20230920-115500 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230920035336.854212-2-willy%40infradead.org patch subject: [PATCH 2/2] mm: Abstract moving to the next PFN config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20230920/202309201731.Tr9SZYEz-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230920/202309201731.Tr9SZYEz-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/202309201731.Tr9SZYEz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/mm.h:29:0, from include/linux/ring_buffer.h:5, from include/linux/trace_events.h:6, from include/trace/syscall.h:7, from include/linux/syscalls.h:90, from init/main.c:21: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from arch/x86/um/ptrace_32.c:6: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/x86/um/ptrace_32.c: At top level: arch/x86/um/ptrace_32.c:15:6: warning: no previous declaration for 'arch_switch_to' [-Wmissing-declarations] void arch_switch_to(struct task_struct *to) ^~~~~~~~~~~~~~ arch/x86/um/ptrace_32.c:28:5: warning: no previous declaration for 'is_syscall' [-Wmissing-declarations] int is_syscall(unsigned long addr) ^~~~~~~~~~ arch/x86/um/ptrace_32.c:125:5: warning: no previous declaration for 'poke_user' [-Wmissing-declarations] int poke_user(struct task_struct *child, long addr, long data) ^~~~~~~~~ arch/x86/um/ptrace_32.c:177:5: warning: no previous declaration for 'peek_user' [-Wmissing-declarations] int peek_user(struct task_struct *child, long addr, long data) ^~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from arch/x86/um/signal.c:9: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/x86/um/signal.c: At top level: arch/x86/um/signal.c:453:6: warning: no previous declaration for 'sys_sigreturn' [-Wmissing-declarations] long sys_sigreturn(void) ^~~~~~~~~~~~~ arch/x86/um/signal.c:560:6: warning: no previous declaration for 'sys_rt_sigreturn' [-Wmissing-declarations] long sys_rt_sigreturn(void) ^~~~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/ring_buffer.h:5, from include/linux/trace_events.h:6, from include/trace/syscall.h:7, from include/linux/syscalls.h:90, from arch/x86/um/tls_32.c:8: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/x86/um/tls_32.c: At top level: arch/x86/um/tls_32.c:23:5: warning: no previous declaration for 'do_set_thread_area' [-Wmissing-declarations] int do_set_thread_area(struct user_desc *info) ^~~~~~~~~~~~~~~~~~ arch/x86/um/tls_32.c:39:5: warning: no previous declaration for 'do_get_thread_area' [-Wmissing-declarations] int do_get_thread_area(struct user_desc *info) ^~~~~~~~~~~~~~~~~~ arch/x86/um/tls_32.c:184:5: warning: no previous declaration for 'arch_switch_tls' [-Wmissing-declarations] int arch_switch_tls(struct task_struct *to) ^~~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/coredump.h:6, from arch/x86/um/elfcore.c:3: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/x86/um/elfcore.c: At top level: arch/x86/um/elfcore.c:10:12: warning: no previous declaration for 'elf_core_extra_phdrs' [-Wmissing-declarations] Elf32_Half elf_core_extra_phdrs(struct coredump_params *cprm) ^~~~~~~~~~~~~~~~~~~~ arch/x86/um/elfcore.c:15:5: warning: no previous declaration for 'elf_core_write_extra_phdrs' [-Wmissing-declarations] int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/um/elfcore.c:42:5: warning: no previous declaration for 'elf_core_write_extra_data' [-Wmissing-declarations] int elf_core_write_extra_data(struct coredump_params *cprm) ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/um/elfcore.c:63:8: warning: no previous declaration for 'elf_core_extra_data_size' [-Wmissing-declarations] size_t elf_core_extra_data_size(struct coredump_params *cprm) ^~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/kallsyms.h:13, from include/linux/ftrace.h:13, from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from kernel/panic.c:15: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ kernel/panic.c: In function '__warn': kernel/panic.c:670:3: warning: function '__warn' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] vprintk(args->fmt, args->args); ^~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/memblock.h:12, from arch/um/kernel/mem.c:8: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/um/kernel/mem.c: At top level: arch/um/kernel/mem.c:202:8: warning: no previous declaration for 'pgd_alloc' [-Wmissing-declarations] pgd_t *pgd_alloc(struct mm_struct *mm) ^~~~~~~~~ arch/um/kernel/mem.c:215:7: warning: no previous declaration for 'uml_kmalloc' [-Wmissing-declarations] void *uml_kmalloc(int size, int flags) ^~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from arch/um/kernel/process.c:12: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/um/kernel/process.c: At top level: arch/um/kernel/process.c:51:5: warning: no previous declaration for 'pid_to_processor_id' [-Wmissing-declarations] int pid_to_processor_id(int pid) ^~~~~~~~~~~~~~~~~~~ arch/um/kernel/process.c:87:7: warning: no previous declaration for '__switch_to' [-Wmissing-declarations] void *__switch_to(struct task_struct *from, struct task_struct *to) ^~~~~~~~~~~ arch/um/kernel/process.c: In function 'new_thread_handler': arch/um/kernel/process.c:122:21: warning: variable 'n' set but not used [-Wunused-but-set-variable] int (*fn)(void *), n; ^ arch/um/kernel/process.c: At top level: arch/um/kernel/process.c:140:6: warning: no previous declaration for 'fork_handler' [-Wmissing-declarations] void fork_handler(void) ^~~~~~~~~~~~ arch/um/kernel/process.c:217:6: warning: no previous declaration for 'arch_cpu_idle' [-Wmissing-declarations] void arch_cpu_idle(void) ^~~~~~~~~~~~~ arch/um/kernel/process.c:253:5: warning: no previous declaration for 'copy_to_user_proc' [-Wmissing-declarations] int copy_to_user_proc(void __user *to, void *from, int size) ^~~~~~~~~~~~~~~~~ arch/um/kernel/process.c:263:5: warning: no previous declaration for 'clear_user_proc' [-Wmissing-declarations] int clear_user_proc(void __user *buf, int size) ^~~~~~~~~~~~~~~ arch/um/kernel/process.c:316:12: warning: no previous declaration for 'make_proc_sysemu' [-Wmissing-declarations] int __init make_proc_sysemu(void) ^~~~~~~~~~~~~~~~ arch/um/kernel/process.c:356:15: warning: no previous declaration for 'arch_align_stack' [-Wmissing-declarations] unsigned long arch_align_stack(unsigned long sp) ^~~~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from include/linux/oom.h:11, from arch/um/kernel/reboot.c:11: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/um/kernel/reboot.c: At top level: arch/um/kernel/reboot.c:45:6: warning: no previous declaration for 'machine_restart' [-Wmissing-declarations] void machine_restart(char * __unused) ^~~~~~~~~~~~~~~ arch/um/kernel/reboot.c:51:6: warning: no previous declaration for 'machine_power_off' [-Wmissing-declarations] void machine_power_off(void) ^~~~~~~~~~~~~~~~~ arch/um/kernel/reboot.c:57:6: warning: no previous declaration for 'machine_halt' [-Wmissing-declarations] void machine_halt(void) ^~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from arch/um/kernel/tlb.c:6: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/um/kernel/tlb.c: At top level: arch/um/kernel/tlb.c:579:6: warning: no previous declaration for 'flush_tlb_mm_range' [-Wmissing-declarations] void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, ^~~~~~~~~~~~~~~~~~ arch/um/kernel/tlb.c:594:6: warning: no previous declaration for 'force_flush_all' [-Wmissing-declarations] void force_flush_all(void) ^~~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:29:0, from arch/um/kernel/um_arch.c:9: include/linux/pgtable.h: In function 'set_ptes': >> include/linux/pgtable.h:209:34: error: invalid operands to binary + (have 'pte_t {aka struct <anonymous>}' and 'long unsigned int') #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) ^ include/linux/pgtable.h:238:9: note: in expansion of macro 'pte_next_pfn' pte = pte_next_pfn(pte); ^~~~~~~~~~~~ arch/um/kernel/um_arch.c: At top level: arch/um/kernel/um_arch.c:408:19: warning: no previous declaration for 'read_initrd' [-Wmissing-declarations] int __init __weak read_initrd(void) ^~~~~~~~~~~ arch/um/kernel/um_arch.c:461:7: warning: no previous declaration for 'text_poke' [-Wmissing-declarations] void *text_poke(void *addr, const void *opcode, size_t len) ^~~~~~~~~ arch/um/kernel/um_arch.c:473:6: warning: no previous declaration for 'text_poke_sync' [-Wmissing-declarations] void text_poke_sync(void) ^~~~~~~~~~~~~~ .. vim +209 include/linux/pgtable.h 207 208 #ifndef pte_next_pfn > 209 #define pte_next_pfn(pte) ((pte) + (1UL << PFN_PTE_SHIFT)) 210 #endif 211 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
