DepSurf

Function: _find_next_zero_bit

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: ✅

  long unsigned int _find_next_zero_bit(const long unsigned int *addr, long unsigned int nbits, long unsigned int start);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/find_bit.c (ffffffff817d7090)
  Location: lib/find_bit.c:177
  Inline: False
  Direct callers:
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/cpu/resctrl/ctrlmondata.c:cbm_validate
    - kernel/sysctl.c:proc_do_large_bitmap
    - mm/percpu.c:pcpu_balance_populated
    - mm/percpu.c:pcpu_balance_free
    - mm/percpu.c:pcpu_alloc
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_find_block_fit
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_refresh_hint
    - fs/file.c:alloc_fd
    - fs/file.c:alloc_fd
    - fs/ext4/balloc.c:ext4_valid_block_bitmap
    - fs/ext4/ialloc.c:find_inode_bit
    - fs/ext4/mballoc.c:ext4_mballoc_query_range
    - fs/ext4/mballoc.c:ext4_try_to_trim_range
    - fs/ext4/mballoc.c:ext4_mb_complex_scan_group
    - fs/ext4/mballoc.c:ext4_mb_simple_scan_group
    - fs/ext4/mballoc.c:mb_free_blocks
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - io_uring/filetable.c:__io_fixed_fd_install
    - lib/bitmap.c:bitmap_find_next_zero_area_off
    - lib/sbitmap.c:__sbitmap_get_word
    - drivers/gpio/gpiolib.c:gpiod_set_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/xen/grant-table.c:get_free_seq
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/usb/core/hub.c:hub_port_connect
    - drivers/usb/core/hub.c:hub_port_connect
    - net/netlink/genetlink.c:genl_allocate_reserve_groups
    - net/mptcp/pm_netlink.c:mptcp_pm_nl_append_new_local_addr
    - net/mptcp/pm_userspace.c:mptcp_userspace_pm_append_new_local_addr
    - lib/idr.c:ida_alloc_range
  

  Symbols:

  ffffffff817d7090-ffffffff817d7113: _find_next_zero_bit (STB_GLOBAL)
  

• In 6.5: ✅

  long unsigned int _find_next_zero_bit(const long unsigned int *addr, long unsigned int nbits, long unsigned int start);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/find_bit.c (ffffffff81816160)
  Location: lib/find_bit.c:195
  Inline: False
  Direct callers:
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/cpu/resctrl/ctrlmondata.c:cbm_validate
    - kernel/sysctl.c:proc_do_large_bitmap
    - mm/percpu.c:pcpu_balance_populated
    - mm/percpu.c:pcpu_balance_free
    - mm/percpu.c:pcpu_alloc
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_find_block_fit
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_refresh_hint
    - mm/vmalloc.c:vmap_ram_vread_iter
    - fs/file.c:alloc_fd
    - fs/file.c:alloc_fd
    - fs/ext4/balloc.c:ext4_validate_block_bitmap
    - fs/ext4/balloc.c:ext4_valid_block_bitmap
    - fs/ext4/ialloc.c:find_inode_bit
    - fs/ext4/mballoc.c:ext4_mballoc_query_range
    - fs/ext4/mballoc.c:ext4_try_to_trim_range
    - fs/ext4/mballoc.c:ext4_mb_new_blocks_simple
    - fs/ext4/mballoc.c:ext4_mb_complex_scan_group
    - fs/ext4/mballoc.c:ext4_mb_simple_scan_group
    - fs/ext4/mballoc.c:mb_free_blocks
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - io_uring/filetable.c:__io_fixed_fd_install
    - lib/bitmap.c:bitmap_find_next_zero_area_off
    - lib/sbitmap.c:sbitmap_find_bit
    - drivers/gpio/gpiolib.c:gpiod_set_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/xen/grant-table.c:get_free_seq
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/usb/core/hub.c:hub_port_connect
    - drivers/usb/core/hub.c:hub_port_connect
    - drivers/firmware/efi/unaccepted_memory.c:accept_memory
    - net/netlink/genetlink.c:genl_allocate_reserve_groups
    - net/mptcp/pm_netlink.c:mptcp_pm_nl_append_new_local_addr
    - net/mptcp/pm_userspace.c:mptcp_userspace_pm_append_new_local_addr
    - lib/idr.c:ida_alloc_range
  

  Symbols:

  ffffffff81816160-ffffffff818161e0: _find_next_zero_bit (STB_GLOBAL)
  

• In 6.8: ✅

  long unsigned int _find_next_zero_bit(const long unsigned int *addr, long unsigned int nbits, long unsigned int start);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/find_bit.c (ffffffff8185b2a0)
  Location: lib/find_bit.c:195
  Inline: False
  Direct callers:
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/idt.c:idt_setup_apic_and_irq_gates
    - arch/x86/kernel/cpu/resctrl/ctrlmondata.c:cbm_validate
    - kernel/sysctl.c:proc_do_large_bitmap
    - mm/percpu.c:pcpu_balance_populated
    - mm/percpu.c:pcpu_balance_free
    - mm/percpu.c:pcpu_alloc
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_alloc_area
    - mm/percpu.c:pcpu_find_block_fit
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_update_hint_alloc
    - mm/percpu.c:pcpu_block_refresh_hint
    - mm/vmalloc.c:vmap_ram_vread_iter
    - fs/file.c:alloc_fd
    - fs/file.c:alloc_fd
    - fs/ext4/balloc.c:ext4_validate_block_bitmap
    - fs/ext4/balloc.c:ext4_valid_block_bitmap
    - fs/ext4/ialloc.c:find_inode_bit
    - fs/ext4/mballoc.c:ext4_mballoc_query_range
    - fs/ext4/mballoc.c:ext4_try_to_trim_range
    - fs/ext4/mballoc.c:ext4_mb_new_blocks_simple
    - fs/ext4/mballoc.c:ext4_mb_release_inode_pa
    - fs/ext4/mballoc.c:ext4_mb_complex_scan_group
    - fs/ext4/mballoc.c:ext4_mb_simple_scan_group
    - fs/ext4/mballoc.c:mb_free_blocks
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - fs/ext4/mballoc.c:ext4_mb_generate_buddy
    - io_uring/filetable.c:__io_fixed_fd_install
    - lib/bitmap.c:bitmap_find_next_zero_area_off
    - lib/sbitmap.c:sbitmap_find_bit
    - drivers/gpio/gpiolib.c:gpiod_set_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/gpio/gpiolib.c:gpiod_get_array_value_complex
    - drivers/xen/grant-table.c:get_free_seq
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_active_count
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/nvdimm/label.c:nd_label_reserve_dpa
    - drivers/usb/core/hub.c:hub_port_connect
    - drivers/usb/core/hub.c:hub_port_connect
    - drivers/firmware/efi/unaccepted_memory.c:accept_memory
    - net/netlink/genetlink.c:genl_allocate_reserve_groups
    - net/mptcp/pm_netlink.c:mptcp_pm_nl_append_new_local_addr
    - net/mptcp/pm_userspace.c:mptcp_userspace_pm_append_new_local_addr
    - lib/idr.c:ida_alloc_range
  

  Symbols:

  ffffffff8185b2a0-ffffffff8185b320: _find_next_zero_bit (STB_GLOBAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅