DepSurf

Function: __p4d_alloc

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1573
  Inline: True
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1647
  Inline: True
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1734
  Inline: True
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1804
  Inline: True
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1799
  Inline: True
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

• In 5.8: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81292460)
  Location: mm/memory.c:4431
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - arch/x86/platform/uv/bios_uv.c:efi_uv1_memmap_phys_prolog
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:apply_to_p4d_range
    - mm/memory.c:remap_pfn_range
    - mm/memory.c:__get_locked_pte
    - mm/memory.c:copy_page_range
    - mm/vmalloc.c:vmap_p4d_range
    - mm/hugetlb.c:huge_pte_alloc
    - mm/migrate.c:p4d_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
    - lib/ioremap.c:ioremap_page_range
  

  Symbols:

  ffffffff81292460-ffffffff812924f7: __p4d_alloc (STB_GLOBAL)
  

• In 5.11: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8129cd10)
  Location: mm/memory.c:4654
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range
    - mm/memory.c:__get_locked_pte
    - mm/memory.c:copy_p4d_range
    - mm/vmalloc.c:vmap_p4d_range
    - mm/ioremap.c:ioremap_page_range
    - mm/hugetlb.c:huge_pte_alloc
    - mm/migrate.c:p4d_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff8129cd10-ffffffff8129cda7: __p4d_alloc (STB_GLOBAL)
  

• In 5.13: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff812a23f0)
  Location: mm/memory.c:4681
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range_notrack
    - mm/memory.c:__get_locked_pte
    - mm/memory.c:copy_p4d_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff812a23f0-ffffffff812a248e: __p4d_alloc (STB_GLOBAL)
  

• In 5.15: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff812e3760)
  Location: mm/memory.c:4827
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range_notrack
    - mm/memory.c:walk_to_pmd
    - mm/memory.c:copy_p4d_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff812e3760-ffffffff812e37fe: __p4d_alloc (STB_GLOBAL)
  

• In 5.19: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81344b00)
  Location: mm/memory.c:5170
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range_notrack
    - mm/memory.c:walk_to_pmd
    - mm/memory.c:copy_p4d_range
    - mm/mprotect.c:change_protection_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff81344b00-ffffffff81344b9e: __p4d_alloc (STB_GLOBAL)
  

• In 6.2: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813bcd10)
  Location: mm/memory.c:5250
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range_notrack
    - mm/memory.c:walk_to_pmd
    - mm/memory.c:copy_p4d_range
    - mm/mprotect.c:change_protection_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/migrate_device.c:p4d_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff813bcd10-ffffffff813bcdae: __p4d_alloc (STB_GLOBAL)
  

• In 6.5: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813f1a30)
  Location: mm/memory.c:5442
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_p4d_range
    - mm/memory.c:walk_to_pmd
    - mm/memory.c:copy_p4d_range
    - mm/mprotect.c:change_protection_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/migrate_device.c:p4d_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff813f1a30-ffffffff813f1ad1: __p4d_alloc (STB_GLOBAL)
  

• In 6.8: ✅

  int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, long unsigned int address);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8141c6e0)
  Location: mm/memory.c:5668
  Inline: False
  Direct callers:
    - arch/x86/kernel/espfix_64.c:init_espfix_bsp
    - arch/x86/kernel/tboot.c:map_tboot_page
    - arch/x86/mm/init_64.c:preallocate_vmalloc_pages
    - arch/x86/platform/efi/efi_64.c:efi_alloc_page_tables
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:__apply_to_page_range
    - mm/memory.c:remap_pfn_range_notrack
    - mm/memory.c:walk_to_pmd
    - mm/memory.c:copy_p4d_range
    - mm/mprotect.c:change_protection_range
    - mm/vmalloc.c:vmap_small_pages_range_noflush
    - mm/vmalloc.c:vmap_range_noflush
    - mm/hugetlb.c:huge_pte_alloc
    - mm/migrate_device.c:p4d_alloc
    - mm/userfaultfd.c:mm_alloc_pmd
  

  Symbols:

  ffffffff8141c6e0-ffffffff8141c781: __p4d_alloc (STB_GLOBAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/kernel/espfix_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/kernel/tboot.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In arch/x86/platform/efi/efi_64.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/memory.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/mremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/vmalloc.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/hugetlb.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In mm/userfaultfd.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

  In lib/ioremap.c (0)
  Location: include/linux/mm.h:1771
  Inline: True
  

Differences

Regular

• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅