Re: [PATCH 05/11] kexec_file: Use read-only sections in arch_kexec_apply_relocations*

From: kbuild test robot
Date: Wed Feb 28 2018 - 11:33:36 EST

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Next in thread: Philipp Rudo: "[PATCH 10/11] kexec_file: Allow archs to set purgatory load address"
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Hi Philipp,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc3 next-20180228]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Philipp-Rudo/kexec_file-Clean-up-purgatory-load/20180228-223538
config: x86_64-randconfig-x015-201808 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from init/initramfs.c:527:0:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
Cyclomatic Complexity 1 include/linux/list.h:__list_del
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 include/linux/string.h:strnlen
Cyclomatic Complexity 4 include/linux/string.h:strlen
Cyclomatic Complexity 3 include/linux/string.h:memset
Cyclomatic Complexity 4 include/linux/string.h:memcpy
Cyclomatic Complexity 4 include/linux/string.h:memcmp
Cyclomatic Complexity 2 include/linux/string.h:strcpy
Cyclomatic Complexity 1 include/linux/kdev_t.h:new_encode_dev
Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc
Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index
Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace
Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace
Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 5 include/linux/slab.h:kmalloc
Cyclomatic Complexity 2 init/initramfs.c:error
Cyclomatic Complexity 1 init/initramfs.c:hash
Cyclomatic Complexity 1 init/initramfs.c:eat
Cyclomatic Complexity 2 init/initramfs.c:read_into
Cyclomatic Complexity 1 init/initramfs.c:do_start
Cyclomatic Complexity 3 init/initramfs.c:do_collect
Cyclomatic Complexity 2 init/initramfs.c:do_skip
Cyclomatic Complexity 5 init/initramfs.c:do_reset
Cyclomatic Complexity 2 init/initramfs.c:write_buffer
Cyclomatic Complexity 6 init/initramfs.c:flush_buffer
Cyclomatic Complexity 2 init/initramfs.c:retain_initrd_param
Cyclomatic Complexity 6 init/initramfs.c:find_link
Cyclomatic Complexity 3 init/initramfs.c:free_hash
Cyclomatic Complexity 1 include/linux/fs.h:vfs_lstat
Cyclomatic Complexity 4 init/initramfs.c:clean_path
Cyclomatic Complexity 1 init/initramfs.c:do_utime
Cyclomatic Complexity 1 init/initramfs.c:do_symlink
Cyclomatic Complexity 6 init/initramfs.c:xwrite
Cyclomatic Complexity 4 init/initramfs.c:do_copy
Cyclomatic Complexity 2 include/linux/list.h:__list_add
Cyclomatic Complexity 1 include/linux/list.h:list_add
Cyclomatic Complexity 1 init/initramfs.c:dir_add
Cyclomatic Complexity 4 init/initramfs.c:maybe_link
Cyclomatic Complexity 12 init/initramfs.c:do_name
Cyclomatic Complexity 2 init/initramfs.c:parse_header
Cyclomatic Complexity 8 init/initramfs.c:do_header
Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry
Cyclomatic Complexity 1 include/linux/list.h:list_del
Cyclomatic Complexity 5 init/initramfs.c:dir_utime
Cyclomatic Complexity 14 init/initramfs.c:unpack_to_rootfs
Cyclomatic Complexity 6 init/initramfs.c:free_initrd
Cyclomatic Complexity 3 init/initramfs.c:populate_rootfs
--
In file included from arch/x86/kernel/traps.c:30:0:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:set_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 include/linux/percpu-defs.h:__this_cpu_preempt_check
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 4 include/linux/string.h:memmove
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_get_debugreg
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:set_debugreg
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:read_cr0
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:write_cr0
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_enable
Cyclomatic Complexity 1 arch/x86/include/asm/ptrace.h:user_mode
Cyclomatic Complexity 1 arch/x86/include/asm/ptrace.h:v8086_mode
Cyclomatic Complexity 1 include/asm-generic/ptrace.h:instruction_pointer
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:current_top_of_stack
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:on_thread_stack
Cyclomatic Complexity 1 include/linux/thread_info.h:set_ti_thread_flag
Cyclomatic Complexity 1 include/linux/thread_info.h:clear_ti_thread_flag
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_sub
Cyclomatic Complexity 1 include/linux/sched.h:task_pid_nr
Cyclomatic Complexity 1 include/linux/sched.h:task_thread_info
Cyclomatic Complexity 1 include/linux/sched.h:set_tsk_thread_flag
Cyclomatic Complexity 1 include/linux/sched.h:clear_tsk_thread_flag
Cyclomatic Complexity 1 arch/x86/include/asm/debugreg.h:debug_stack_usage_inc
Cyclomatic Complexity 1 arch/x86/include/asm/debugreg.h:debug_stack_usage_dec
Cyclomatic Complexity 3 arch/x86/include/asm/traps.h:get_si_code
Cyclomatic Complexity 1 arch/x86/include/asm/vm86.h:handle_vm86_trap
Cyclomatic Complexity 1 arch/x86/include/asm/umip.h:fixup_umip_exception
Cyclomatic Complexity 2 arch/x86/kernel/traps.c:cond_local_irq_enable
Cyclomatic Complexity 2 arch/x86/kernel/traps.c:cond_local_irq_disable
Cyclomatic Complexity 4 arch/x86/kernel/traps.c:fill_trap_info
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:is_sysenter_singlestep
Cyclomatic Complexity 6 arch/x86/kernel/traps.c:do_trap_no_signal
Cyclomatic Complexity 6 arch/x86/kernel/traps.c:do_trap
Cyclomatic Complexity 6 arch/x86/kernel/traps.c:math_error
Cyclomatic Complexity 2 arch/x86/kernel/traps.c:ist_enter
Cyclomatic Complexity 2 arch/x86/kernel/traps.c:ist_exit
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:ist_begin_non_atomic
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:ist_end_non_atomic
Cyclomatic Complexity 3 arch/x86/kernel/traps.c:is_valid_bugaddr
Cyclomatic Complexity 3 arch/x86/kernel/traps.c:fixup_bug
Cyclomatic Complexity 4 arch/x86/kernel/traps.c:do_error_trap
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_divide_error
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_overflow
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_invalid_op
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_coprocessor_segment_overrun
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_invalid_TSS
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_segment_not_present
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_stack_segment
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_alignment_check
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_double_fault
Cyclomatic Complexity 3 arch/x86/kernel/traps.c:do_bounds
Cyclomatic Complexity 11 arch/x86/kernel/traps.c:do_general_protection
Cyclomatic Complexity 3 arch/x86/kernel/traps.c:do_int3
Cyclomatic Complexity 2 arch/x86/kernel/traps.c:sync_regs
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:fixup_bad_iret
Cyclomatic Complexity 16 arch/x86/kernel/traps.c:do_debug
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_coprocessor_error
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_simd_coprocessor_error
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:do_spurious_interrupt_bug
Cyclomatic Complexity 3 arch/x86/kernel/traps.c:do_device_not_available
Cyclomatic Complexity 1 arch/x86/kernel/traps.c:trap_init
--
In file included from arch/x86/kernel/dumpstack_64.c:14:0:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 1 arch/x86/include/asm/ptrace.h:user_mode
Cyclomatic Complexity 2 arch/x86/kernel/dumpstack_64.c:in_irq_stack
Cyclomatic Complexity 4 arch/x86/kernel/dumpstack_64.c:in_exception_stack
Cyclomatic Complexity 5 arch/x86/kernel/dumpstack_64.c:stack_type_name
Cyclomatic Complexity 11 arch/x86/kernel/dumpstack_64.c:get_stack_info
Cyclomatic Complexity 8 arch/x86/kernel/dumpstack_64.c:show_regs
--
In file included from arch/x86/kernel/dumpstack.c:16:0:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size_nocheck
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 2 include/linux/printk.h:console_verbose
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 1 arch/x86/include/asm/ptrace.h:kernel_stack_pointer
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_cmpxchg
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_restore
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_save
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:preempt_count
Cyclomatic Complexity 3 include/asm-generic/qspinlock.h:queued_spin_trylock
Cyclomatic Complexity 2 include/asm-generic/qspinlock.h:queued_spin_lock
Cyclomatic Complexity 1 include/linux/mm.h:debug_pagealloc_enabled
Cyclomatic Complexity 1 include/linux/module.h:print_modules
Cyclomatic Complexity 1 include/linux/ftrace.h:ftrace_graph_ret_addr
Cyclomatic Complexity 1 include/linux/sched/task_stack.h:task_stack_page
Cyclomatic Complexity 5 arch/x86/include/asm/stacktrace.h:on_stack
Cyclomatic Complexity 1 arch/x86/include/asm/unwind.h:unwind_done
Cyclomatic Complexity 3 arch/x86/include/asm/unwind.h:unwind_get_entry_regs
Cyclomatic Complexity 1 arch/x86/include/asm/cpu_entry_area.h:cpu_entry_stack
Cyclomatic Complexity 3 arch/x86/include/asm/stacktrace.h:get_stack_pointer
Cyclomatic Complexity 2 arch/x86/include/asm/unwind.h:unwind_start
Cyclomatic Complexity 1 include/linux/nmi.h:touch_nmi_watchdog
Cyclomatic Complexity 2 arch/x86/kernel/dumpstack.c:printk_stack_address
Cyclomatic Complexity 2 arch/x86/include/asm/qspinlock.h:native_queued_spin_unlock
Cyclomatic Complexity 1 arch/x86/include/asm/qspinlock.h:queued_spin_unlock
Cyclomatic Complexity 1 include/linux/kernel.h:kstrtoul
Cyclomatic Complexity 4 arch/x86/kernel/dumpstack.c:code_bytes_setup
Cyclomatic Complexity 2 arch/x86/kernel/dumpstack.c:in_task_stack
Cyclomatic Complexity 2 arch/x86/kernel/dumpstack.c:in_entry_stack
Cyclomatic Complexity 1 arch/x86/kernel/dumpstack.c:show_iret_regs
Cyclomatic Complexity 5 arch/x86/kernel/dumpstack.c:show_regs_if_on_stack
Cyclomatic Complexity 16 arch/x86/kernel/dumpstack.c:show_trace_log_lvl
Cyclomatic Complexity 4 arch/x86/kernel/dumpstack.c:show_stack
Cyclomatic Complexity 1 arch/x86/kernel/dumpstack.c:show_stack_regs
Cyclomatic Complexity 3 arch/x86/kernel/dumpstack.c:oops_begin
Cyclomatic Complexity 4 arch/x86/kernel/dumpstack.c:oops_end
Cyclomatic Complexity 3 arch/x86/kernel/dumpstack.c:__die
Cyclomatic Complexity 2 arch/x86/kernel/dumpstack.c:die
--
In file included from arch/x86/kernel/setup.c:45:0:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/kaslr.h:kernel_randomize_memory
Cyclomatic Complexity 1 arch/x86/include/asm/page_types.h:get_max_mapped
Cyclomatic Complexity 1 include/linux/string.h:strnlen
Cyclomatic Complexity 4 include/linux/string.h:strlen
Cyclomatic Complexity 6 include/linux/string.h:strlcpy
Cyclomatic Complexity 3 include/linux/string.h:memset
Cyclomatic Complexity 1 arch/x86/include/asm/special_insns.h:native_read_cr4
Cyclomatic Complexity 1 arch/x86/include/asm/special_insns.h:__read_cr4
Cyclomatic Complexity 1 arch/x86/include/asm/mpspec.h:get_smp_config
Cyclomatic Complexity 1 arch/x86/include/asm/mpspec.h:find_smp_config
Cyclomatic Complexity 1 arch/x86/include/asm/numa.h:init_cpu_to_node
Cyclomatic Complexity 1 arch/x86/include/asm/apic.h:generic_apic_probe
Cyclomatic Complexity 1 arch/x86/include/asm/apic.h:check_x2apic
Cyclomatic Complexity 1 include/linux/kdev_t.h:old_decode_dev
Cyclomatic Complexity 1 include/linux/sfi.h:sfi_init
Cyclomatic Complexity 1 include/linux/efi.h:efi_esrt_init
Cyclomatic Complexity 1 include/linux/efi.h:efi_fake_memmap
Cyclomatic Complexity 1 include/linux/efi.h:efi_enabled
Cyclomatic Complexity 1 include/linux/iscsi_ibft.h:find_ibft_region
Cyclomatic Complexity 1 include/linux/dma-contiguous.h:dma_contiguous_reserve
Cyclomatic Complexity 1 include/linux/usb/xhci-dbgp.h:early_xdbc_setup_hardware
Cyclomatic Complexity 1 include/linux/usb/xhci-dbgp.h:early_xdbc_register_console
Cyclomatic Complexity 1 arch/x86/include/asm/mtrr.h:mtrr_trim_uncached_memory
Cyclomatic Complexity 1 arch/x86/include/asm/setup.h:kaslr_enabled
Cyclomatic Complexity 1 arch/x86/include/asm/setup.h:kaslr_offset
Cyclomatic Complexity 1 arch/x86/include/asm/efi.h:parse_efi_setup
Cyclomatic Complexity 1 arch/x86/include/asm/kasan.h:kasan_init
Cyclomatic Complexity 1 arch/x86/include/asm/gart.h:early_gart_iommu_check
Cyclomatic Complexity 1 arch/x86/include/asm/mpx.h:mpx_mm_init
Cyclomatic Complexity 1 arch/x86/include/asm/mmu_context.h:vma_pkey
Cyclomatic Complexity 1 arch/x86/include/asm/olpc_ofw.h:olpc_ofw_detect
Cyclomatic Complexity 1 arch/x86/include/asm/olpc_ofw.h:setup_olpc_ofw_pgd
Cyclomatic Complexity 1 arch/x86/include/asm/prom.h:add_dtb
Cyclomatic Complexity 1 arch/x86/include/asm/prom.h:x86_dtb_init
Cyclomatic Complexity 1 arch/x86/include/asm/unwind.h:unwind_init
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:copy_edd
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:get_ramdisk_image
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:get_ramdisk_size
Cyclomatic Complexity 4 arch/x86/kernel/setup.c:parse_reservelow
Cyclomatic Complexity 3 arch/x86/kernel/setup.c:early_reserve_initrd
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:reserve_ibft_region
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:reserve_brk
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:trim_low_memory_range
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:dump_kernel_offset
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:memblock_x86_reserve_range_setup_data
Cyclomatic Complexity 5 arch/x86/kernel/setup.c:parse_setup_data
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:e820_add_kernel_range
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:trim_bios_range
Cyclomatic Complexity 1 arch/x86/include/asm/mtrr.h:mtrr_bp_init
Cyclomatic Complexity 5 arch/x86/kernel/setup.c:snb_gfx_workaround_needed
Cyclomatic Complexity 4 arch/x86/kernel/setup.c:trim_snb_memory
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:trim_platform_memory_ranges
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:relocate_initrd
Cyclomatic Complexity 4 arch/x86/kernel/setup.c:reserve_initrd
Cyclomatic Complexity 5 arch/x86/kernel/setup.c:reserve_crashkernel_low
Cyclomatic Complexity 12 arch/x86/kernel/setup.c:reserve_crashkernel
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:register_kernel_offset_dumper
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:__brk_reservation_fn_dmi_alloc__
Cyclomatic Complexity 1 arch/x86/kernel/setup.c:extend_brk
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:reserve_standard_io_resources
Cyclomatic Complexity 14 arch/x86/kernel/setup.c:setup_arch
Cyclomatic Complexity 2 arch/x86/kernel/setup.c:arch_show_smap
--
In file included from include/linux/crash_dump.h:5:0,
from arch/x86/kernel/e820.c:11:
>> include/linux/kexec.h:293:52: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
^~~~~~~~~~~~~~
include/linux/kexec.h:297:48: warning: 'struct purgatory_info' declared inside parameter list will not be visible outside of this definition or declaration
int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
^~~~~~~~~~~~~~
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 include/linux/printk.h:early_printk
Cyclomatic Complexity 3 include/linux/string.h:memset
Cyclomatic Complexity 4 include/linux/string.h:memcpy
Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc
Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index
Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace
Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace
Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 5 include/linux/slab.h:kmalloc
Cyclomatic Complexity 1 include/linux/suspend.h:register_nosave_region
Cyclomatic Complexity 1 include/linux/firmware-map.h:firmware_map_add_early
Cyclomatic Complexity 8 arch/x86/kernel/e820.c:__e820__mapped_all
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:cpcompare
Cyclomatic Complexity 5 arch/x86/kernel/e820.c:e820_search_gap
Cyclomatic Complexity 8 arch/x86/kernel/e820.c:e820_type_to_string
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820_type_to_iomem_type
Cyclomatic Complexity 5 arch/x86/kernel/e820.c:e820_type_to_iores_desc
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:do_mark_busy
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:ram_alignment
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:__e820__range_add
Cyclomatic Complexity 7 arch/x86/kernel/e820.c:e820_print_type
Cyclomatic Complexity 7 arch/x86/kernel/e820.c:e820_end_pfn
Cyclomatic Complexity 10 arch/x86/kernel/e820.c:__e820__range_update
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__range_update_kexec
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:e820__register_nvs_regions
Cyclomatic Complexity 0 arch/x86/kernel/e820.c:early_panic
Cyclomatic Complexity 2 include/linux/memblock.h:memblock_dump_all
Cyclomatic Complexity 6 arch/x86/kernel/e820.c:e820__mapped_any
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__mapped_all
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__get_entry_type
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__range_add
Cyclomatic Complexity 4 arch/x86/kernel/e820.c:__append_e820_table
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:append_e820_table
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__print_table
Cyclomatic Complexity 18 arch/x86/kernel/e820.c:e820__update_table
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__update_table_kexec
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__range_update
Cyclomatic Complexity 12 arch/x86/kernel/e820.c:e820__range_remove
Cyclomatic Complexity 4 arch/x86/kernel/e820.c:parse_memopt
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__update_table_print
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__setup_pci_gap
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__reallocate_tables
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__memory_setup_extended
Cyclomatic Complexity 5 arch/x86/kernel/e820.c:e820__register_nosave_regions
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__memblock_alloc_reserved
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__end_of_ram_pfn
Cyclomatic Complexity 9 arch/x86/kernel/e820.c:parse_memmap_one
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:parse_memmap_opt
Cyclomatic Complexity 1 arch/x86/kernel/e820.c:e820__end_of_low_ram_pfn
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:e820__reserve_setup_data
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:e820__finish_early_params
Cyclomatic Complexity 4 arch/x86/kernel/e820.c:e820__reserve_resources
Cyclomatic Complexity 7 arch/x86/kernel/e820.c:e820__reserve_resources_late
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:e820__memory_setup_default
Cyclomatic Complexity 2 arch/x86/kernel/e820.c:e820__memory_setup
Cyclomatic Complexity 3 arch/x86/kernel/e820.c:e820__memblock_setup
..

vim +293 include/linux/kexec.h

286
287 int __weak arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
288 unsigned long buf_len);
289 void * __weak arch_kexec_kernel_image_load(struct kimage *image);
290 int __weak arch_kimage_file_post_load_cleanup(struct kimage *image);
291 int __weak arch_kexec_kernel_verify_sig(struct kimage *image, void *buf,
292 unsigned long buf_len);
> 293 int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
294 Elf_Shdr *section,
295 const Elf_Shdr *relsec,
296 const Elf_Shdr *symtab);
297 int __weak arch_kexec_apply_relocations(struct purgatory_info *pi,
298 Elf_Shdr *section,
299 const Elf_Shdr *relsec,
300 const Elf_Shdr *symtab);
301 void arch_kexec_protect_crashkres(void);
302 void arch_kexec_unprotect_crashkres(void);
303

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