DepSurf

Function: flip_protnone_guard

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8122e688)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:handle_pte_fault
  

  In mm/mprotect.c (ffffffff812392c0)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff81256e21)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff81272b26)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812766ff)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81242597)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:__handle_mm_fault
  

  In mm/mprotect.c (ffffffff8124d855)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_protection_range
  

  In mm/hugetlb.c (ffffffff8126b3e2)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff8128722b)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff8128b68a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81251357)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff8125f85a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff812866ba)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812a1735)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812a61ef)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8125f907)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff8126e06a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8129629f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812b2b43)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812b76bf)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8128fdbd)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff8129e678)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff812c982a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812e80c1)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812ec861)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8129a83d)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff812a9a38)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff812d5594)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812f33c4)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812f78f2)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8129fc58)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff812aeec3)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff812dc20f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812f981f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812fddcc)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff812e324e)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff812f06b3)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff813233a5)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/huge_memory.c (ffffffff8134796c)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813445d0)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff81353cc0)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff81390c95)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/huge_memory.c (ffffffff813bdcbe)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813bc704)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff813ce1a6)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8141259c)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/huge_memory.c (ffffffff81440593)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813f10f2)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff81402a5a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff81445b72)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/huge_memory.c (ffffffff81475d26)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8141bde8)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff8142f063)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8147f532)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/huge_memory.c (ffffffff814a0c7e)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:pmd_modify
  

Arch

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

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81257f57)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff812666ba)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8128e87f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812ab123)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812afc9f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8124da5a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:__handle_mm_fault
  

  In mm/mprotect.c (ffffffff81258d95)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_protection_range
  

  In mm/hugetlb.c (ffffffff8128063a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff8129cb06)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812a10aa)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81255cf7)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff8126445a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8128c68f)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812a8f33)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812adaaf)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff81265787)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
  

  In mm/mprotect.c (ffffffff81273e1a)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/hugetlb.c (ffffffff8129c477)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In mm/migrate.c (ffffffff812b924d)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_transhuge_page
  

  In mm/huge_memory.c (ffffffff812bde19)
  Location: arch/x86/include/asm/pgtable-invert.h:27
  Inline: True
  Inline callers:
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
  

Differences