tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: 1b8b03e93868a5a01c725d01dc50774854990358 commit: 0b9e593f5fb2c9cbb12e98204fc8f6fbffdb69a5 [15/20] FROMLIST: mm: multigenerational lru: Kconfig config: i386-randconfig-a012-20210709 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-4.19 git checkout 0b9e593f5fb2c9cbb12e98204fc8f6fbffdb69a5 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 prepare 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 >>): In file included from include/linux/memcontrol.h:29, from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/asm-offsets.c:32:6: warning: no previous prototype for 'common' [-Wmissing-prototypes] 32 | void common(void) { | ^~~~~~ -- In file included from include/linux/scatterlist.h:8, from include/linux/dma-mapping.h:11, from include/linux/skbuff.h:34, from include/crypto/algapi.h:18, from include/crypto/internal/skcipher.h:16, from arch/x86/crypto/glue_helper.c:31: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ -- In file included from include/linux/scatterlist.h:8, from include/linux/dma-mapping.h:11, from include/linux/skbuff.h:34, from include/crypto/algapi.h:18, from include/crypto/internal/skcipher.h:16, from arch/x86/crypto/fpu.c:14: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/crypto/fpu.c:197:12: warning: no previous prototype for 'crypto_fpu_init' [-Wmissing-prototypes] 197 | int __init crypto_fpu_init(void) | ^~~~~~~~~~~~~~~ arch/x86/crypto/fpu.c:202:6: warning: no previous prototype for 'crypto_fpu_exit' [-Wmissing-prototypes] 202 | void crypto_fpu_exit(void) | ^~~~~~~~~~~~~~~ -- In file included from arch/x86/entry/common.c:13: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ In file included from arch/x86/include/asm/syscall.h:19, from include/trace/events/syscalls.h:13, from arch/x86/entry/common.c:37: arch/x86/include/asm/asm-offsets.h:1:10: fatal error: generated/asm-offsets.h: No such file or directory 1 | #include <generated/asm-offsets.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. -- In file included from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from include/uapi/asm-generic/bpf_perf_event.h:4, from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1, from include/uapi/linux/bpf_perf_event.h:11, from include/linux/perf_event.h:18, from arch/x86/events/core.c:15: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/events/core.c:2299:6: warning: no previous prototype for 'arch_perf_update_userpage' [-Wmissing-prototypes] 2299 | void arch_perf_update_userpage(struct perf_event *event, | ^~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/kallsyms.h:12, from arch/x86/kernel/traps.c:17: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/traps.c:949:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes] 949 | void __init trap_init(void) | ^~~~~~~~~ -- In file included from include/linux/kallsyms.h:12, from include/linux/ftrace.h:11, from arch/x86/kernel/irq.c:10: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/irq.c:270:28: warning: no previous prototype for 'smp_x86_platform_ipi' [-Wmissing-prototypes] 270 | __visible void __irq_entry smp_x86_platform_ipi(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/irq.c:301:16: warning: no previous prototype for 'smp_kvm_posted_intr_ipi' [-Wmissing-prototypes] 301 | __visible void smp_kvm_posted_intr_ipi(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/irq.c:314:16: warning: no previous prototype for 'smp_kvm_posted_intr_wakeup_ipi' [-Wmissing-prototypes] 314 | __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/irq.c:328:16: warning: no previous prototype for 'smp_kvm_posted_intr_nested_ipi' [-Wmissing-prototypes] 328 | __visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/kallsyms.h:12, from include/linux/ftrace.h:11, from include/linux/kprobes.h:42, from arch/x86/kernel/irqinit.c:11: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/irqinit.c:79:13: warning: no previous prototype for 'init_IRQ' [-Wmissing-prototypes] 79 | void __init init_IRQ(void) | ^~~~~~~~ -- In file included from include/linux/scatterlist.h:8, from include/linux/dmapool.h:14, from include/linux/pci.h:1350, from arch/x86/kernel/quirks.c:6: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/quirks.c:672:13: warning: no previous prototype for 'early_platform_quirks' [-Wmissing-prototypes] 672 | void __init early_platform_quirks(void) | ^~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from include/uapi/asm-generic/bpf_perf_event.h:4, from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1, from include/uapi/linux/bpf_perf_event.h:11, from include/linux/perf_event.h:18, from arch/x86/kernel/hw_breakpoint.c:30: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/hw_breakpoint.c: In function 'arch_build_bp_info': arch/x86/kernel/hw_breakpoint.c:278:6: warning: this statement may fall through [-Wimplicit-fallthrough=] 278 | if (attr->bp_len == sizeof(long)) { | ^ arch/x86/kernel/hw_breakpoint.c:282:2: note: here 282 | default: | ^~~~~~~ -- In file included from arch/x86/include/asm/tlbflush.h:5, from arch/x86/include/asm/uv/uv.h:5, from arch/x86/kernel/tsc.c:29: 844 | #error LRU_USAGE_PGOFF < NR_PAGEFLAGS | ^~~~~ arch/x86/kernel/tsc.c:61:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] 61 | void __always_inline cyc2ns_read_begin(struct cyc2ns_data *data) | ^~~~ arch/x86/kernel/tsc.c:78:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] 78 | void __always_inline cyc2ns_read_end(void) | ^~~~ arch/x86/kernel/tsc.c:1525:15: warning: no previous prototype for 'calibrate_delay_is_known' [-Wmissing-prototypes] 1525 | unsigned long calibrate_delay_is_known(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ .. vim +844 include/linux/mm.h 348f8b6c4837a0 Dave Hansen 2005-06-23 842 baadcdd5c7434e Yu Zhao 2021-01-25 843 #if LRU_USAGE_PGOFF < NR_PAGEFLAGS baadcdd5c7434e Yu Zhao 2021-01-25 @844 #error LRU_USAGE_PGOFF < NR_PAGEFLAGS 348f8b6c4837a0 Dave Hansen 2005-06-23 845 #endif 348f8b6c4837a0 Dave Hansen 2005-06-23 846 :::::: The code at line 844 was first introduced by commit :::::: baadcdd5c7434e1b5dc25ac6f0810535353a10dd BACKPORT: FROMLIST: mm: multigenerational lru: groundwork :::::: TO: Yu Zhao <yuzhao(a)google.com&gt; :::::: CC: Commit Bot <commit-bot(a)chromium.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org