DepSurf

Function: shmem_is_huge

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: Selective Inline ⚠️

  bool shmem_is_huge(struct vm_area_struct *vma, struct inode *inode, long unsigned int index);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/shmem.c (ffffffff812bcfb0)
  Location: mm/shmem.c:476
  Inline: True
  Direct callers:
    - mm/shmem.c:shmem_zero_setup
    - mm/shmem.c:shmem_getpage_gfp
    - mm/shmem.c:shmem_getattr
    - mm/huge_memory.c:do_huge_pmd_anonymous_page
    - mm/huge_memory.c:transparent_hugepage_active
    - mm/khugepaged.c:khugepaged_scan_mm_slot
  

  Symbols:

  ffffffff812bcfb0-ffffffff812bd058: shmem_is_huge (STB_GLOBAL)
  

• In 5.19: Selective Inline, Transformation ⚠️

  bool shmem_is_huge(struct vm_area_struct *vma, struct inode *inode, long unsigned int index);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In mm/shmem.c (ffffffff81318faf)
  Location: mm/shmem.c:474
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_getpage_gfp
    - mm/shmem.c:shmem_getattr
  Direct callers:
    - mm/shmem.c:shmem_getpage_gfp
    - mm/shmem.c:shmem_getattr
    - mm/huge_memory.c:transparent_hugepage_active
    - mm/khugepaged.c:khugepaged_scan_mm_slot
  

  Symbols:

  ffffffff81315c80-ffffffff81315d43: shmem_is_huge.part.0 (STB_LOCAL)
  ffffffff8131c1a0-ffffffff8131c1da: shmem_is_huge (STB_GLOBAL)
  

• In 6.2: Selective Inline, Transformation ⚠️

  bool shmem_is_huge(struct vm_area_struct *vma, struct inode *inode, long unsigned int index, bool shmem_huge_force);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In mm/shmem.c (ffffffff8138d0f0)
  Location: mm/shmem.c:471
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
  Direct callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
    - mm/huge_memory.c:hugepage_vma_check
  

  Symbols:

  ffffffff81389d90-ffffffff81389e4d: shmem_is_huge.part.0 (STB_LOCAL)
  ffffffff8138fd60-ffffffff8138fda6: shmem_is_huge (STB_GLOBAL)
  

• In 6.5: Selective Inline, Transformation ⚠️

  bool shmem_is_huge(struct inode *inode, long unsigned int index, bool shmem_huge_force, struct mm_struct *mm, long unsigned int vm_flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In mm/shmem.c (ffffffff813bf937)
  Location: mm/shmem.c:472
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
  Direct callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
    - mm/huge_memory.c:hugepage_vma_check
  

  Symbols:

  ffffffff813bbf50-ffffffff813bc029: shmem_is_huge.part.0 (STB_LOCAL)
  ffffffff813c26b0-ffffffff813c26fc: shmem_is_huge (STB_GLOBAL)
  

• In 6.8: Selective Inline, Transformation ⚠️

  bool shmem_is_huge(struct inode *inode, long unsigned int index, bool shmem_huge_force, struct mm_struct *mm, long unsigned int vm_flags);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In mm/shmem.c (ffffffff813ea970)
  Location: mm/shmem.c:538
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
  Direct callers:
    - mm/shmem.c:shmem_get_folio_gfp
    - mm/shmem.c:shmem_getattr
    - mm/huge_memory.c:__thp_vma_allowable_orders
  

  Symbols:

  ffffffff813e6b40-ffffffff813e6c19: shmem_is_huge.part.0 (STB_LOCAL)
  ffffffff813ed350-ffffffff813ed39c: shmem_is_huge (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 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Param added. bool shmem_huge_force
• Changed between 6.2 and 6.5 ⚠️

  • Param added. struct mm_struct *mm
  • Param added. long unsigned int vm_flags
  • Param removed. struct vm_area_struct *vma
  • Param reordered. vma, inode, index, shmem_huge_force ➡️ inode, index, shmem_huge_force, mm, vm_flags
• No changes between 6.5 and 6.8 ✅