DepSurf

Function: clear_pte_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: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

Arch

• In arm64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/arm64/mm/pageattr.c (ffff8000100b0138)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - arch/arm64/mm/pageattr.c:change_page_range
  

  In arch/arm64/mm/hugetlbpage.c (ffff8000100b16f4)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - arch/arm64/mm/hugetlbpage.c:huge_ptep_set_wrprotect
  

  In virt/kvm/arm/mmu.c (ffff8000100ca3cc)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - virt/kvm/arm/mmu.c:kvm_age_hva_handler
    - virt/kvm/arm/mmu.c:kvm_age_hva_handler
    - virt/kvm/arm/mmu.c:kvm_age_hva_handler
  

  In mm/shmem.c (ffff8000102d3124)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_mfill_atomic_pte
  

  In mm/gup.c (0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  

  In mm/memory.c (ffff8000102f8ec0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/memory.c:__handle_mm_fault
    - mm/memory.c:alloc_set_pte
    - mm/memory.c:do_anonymous_page
    - mm/memory.c:do_swap_page
    - mm/memory.c:do_wp_page
    - mm/memory.c:do_wp_page
    - mm/memory.c:finish_mkwrite_fault
    - mm/memory.c:wp_page_copy
    - mm/memory.c:insert_pfn
    - mm/memory.c:insert_pfn
    - mm/memory.c:copy_pte_range
    - mm/memory.c:copy_pte_range
    - mm/memory.c:copy_pte_range
  

  In mm/mprotect.c (ffff800010305584)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_protection_range
    - mm/mprotect.c:change_protection_range
  

  In mm/pgtable-generic.c (ffff8000103080c0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/pgtable-generic.c:pmdp_clear_flush_young
  

  In mm/rmap.c (ffff800010309d34)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
    - mm/rmap.c:page_mkclean_one
    - mm/rmap.c:page_referenced_one
  

  In mm/madvise.c (ffff80001031ec4c)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/madvise.c:madvise_free_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
  

  In mm/swapfile.c (ffff80001032612c)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/swapfile.c:unuse_pte_range
  

  In mm/hugetlb.c (ffff800010334378)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_cow
    - mm/hugetlb.c:make_huge_pte
  

  In mm/ksm.c (0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  

  In mm/migrate.c (ffff80001034efc8)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/migrate.c:remove_migration_pte
    - mm/migrate.c:remove_migration_pte
  

  In mm/huge_memory.c (ffff800010355f20)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/huge_memory.c:__split_huge_pmd_locked
    - mm/huge_memory.c:__split_huge_pmd_locked
    - mm/huge_memory.c:change_huge_pmd
    - mm/huge_memory.c:madvise_free_huge_pmd
    - mm/huge_memory.c:do_huge_pmd_numa_page
    - mm/huge_memory.c:do_huge_pmd_wp_page
    - mm/huge_memory.c:do_huge_pmd_wp_page
    - mm/huge_memory.c:do_huge_pmd_wp_page_fallback
    - mm/huge_memory.c:copy_huge_pmd
    - mm/huge_memory.c:copy_huge_pmd
    - mm/huge_memory.c:vmf_insert_pfn_pmd
    - mm/huge_memory.c:__do_huge_pmd_anonymous_page
  

  In mm/khugepaged.c (0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  

  In mm/userfaultfd.c (ffff800010378064)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/userfaultfd.c:mcopy_atomic_pte
  

  In mm/page_idle.c (ffff8000103795e0)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - mm/page_idle.c:page_idle_clear_pte_refs_one
    - mm/page_idle.c:page_idle_clear_pte_refs_one
  

  In fs/dax.c (ffff8000104077b4)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - fs/dax.c:dax_entry_mkclean
  

  In fs/proc/task_mmu.c (ffff80001043aa18)
  Location: arch/arm64/include/asm/pgtable.h:126
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:clear_refs_pte_range
    - fs/proc/task_mmu.c:clear_refs_pte_range
  

• In armhf: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/arm/mm/pageattr.c (c031fc04)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - arch/arm/mm/pageattr.c:change_page_range
  

  In mm/shmem.c (c04fb06c)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_mfill_atomic_pte
  

  In mm/memory.c (c051b374)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/memory.c:alloc_set_pte
    - mm/memory.c:do_anonymous_page
    - mm/memory.c:do_swap_page
    - mm/memory.c:do_wp_page
    - mm/memory.c:do_wp_page
    - mm/memory.c:finish_mkwrite_fault
    - mm/memory.c:wp_page_copy
    - mm/memory.c:insert_pfn
    - mm/memory.c:insert_pfn
    - mm/memory.c:copy_pte_range
    - mm/memory.c:copy_pte_range
  

  In mm/mprotect.c (c05233b4)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_protection_range
    - mm/mprotect.c:change_protection_range
  

  In mm/pgtable-generic.c (c0525554)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/pgtable-generic.c:ptep_clear_flush_young
  

  In mm/rmap.c (c0525ba8)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/rmap.c:page_mkclean_one
  

  In mm/madvise.c (c0537868)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/madvise.c:madvise_free_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
  

  In mm/swapfile.c (c053d970)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/swapfile.c:unuse_mm
  

  In mm/ksm.c (c0544a34)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/ksm.c:write_protect_page
  

  In mm/migrate.c (c0551730)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/migrate.c:remove_migration_pte
    - mm/migrate.c:remove_migration_pte
  

  In mm/userfaultfd.c (c0563878)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/userfaultfd.c:mcopy_atomic
  

  In mm/page_idle.c (c0564494)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - mm/page_idle.c:page_idle_clear_pte_refs_one
  

  In fs/proc/task_mmu.c (c06004a4)
  Location: arch/arm/include/asm/pgtable.h:269
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:clear_refs_pte_range
  

• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

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

Differences