website-function

Function: hugetlb_cow

Status

Regular

• In 4.4: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, pte_t pte, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff811ddbc0)
  Location: mm/hugetlb.c:3350
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_fault
  

  Symbols:

  ffffffff811ddbc0-ffffffff811ddfb8: hugetlb_cow (STB_LOCAL)
  

• In 4.8: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, pte_t pte, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff811fbe90)
  Location: mm/hugetlb.c:3365
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_fault
  

  Symbols:

  ffffffff811fbe90-ffffffff811fc39b: hugetlb_cow (STB_LOCAL)
  

• In 4.10: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8120c940)
  Location: mm/hugetlb.c:3476
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_fault
  

  Symbols:

  ffffffff8120c940-ffffffff8120ce81: hugetlb_cow (STB_LOCAL)
  

• In 4.13: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff812182b0)
  Location: mm/hugetlb.c:3460
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff812182b0-ffffffff81218758: hugetlb_cow (STB_LOCAL)
  

• In 4.15: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff81233130)
  Location: mm/hugetlb.c:3481
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff81233130-ffffffff8123368b: hugetlb_cow (STB_LOCAL)
  

• In 4.18: ✅

  int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff81256140)
  Location: mm/hugetlb.c:3511
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff81256140-ffffffff8125668f: hugetlb_cow (STB_LOCAL)
  

• In 5.0: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8126a610)
  Location: mm/hugetlb.c:3540
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff8126a610-ffffffff8126abc3: hugetlb_cow (STB_LOCAL)
  

• In 5.3: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff81285740)
  Location: mm/hugetlb.c:3610
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff81285740-ffffffff81285d52: hugetlb_cow (STB_LOCAL)
  

• In 5.4: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff81295300)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff81295300-ffffffff81295937: hugetlb_cow (STB_LOCAL)
  

• In 5.8: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff812c8a10)
  Location: mm/hugetlb.c:4149
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff812c8a10-ffffffff812c8f5d: hugetlb_cow (STB_LOCAL)
  

• In 5.11: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff812d4590)
  Location: mm/hugetlb.c:4119
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff812d4590-ffffffff812d4b82: hugetlb_cow (STB_LOCAL)
  

• In 5.13: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff812db340)
  Location: mm/hugetlb.c:4333
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff812db340-ffffffff812dba04: hugetlb_cow (STB_LOCAL)
  

• In 5.15: Transformation ⚠️

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In mm/hugetlb.c (0)
  Location: mm/hugetlb.c:4638
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff81322550-ffffffff81322bf0: hugetlb_cow (STB_LOCAL)
  ffffffff81cbfc9a-ffffffff81cbfdd0: hugetlb_cow.cold (STB_LOCAL)
  

• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

Arch

• In arm64: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffff800010333fe8)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffff800010333fe8-ffff800010334618: hugetlb_cow (STB_LOCAL)
  

• In armhf: Absent ⚠️
• In ppc64el: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (c00000000040cc60)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  c00000000040cc60-c00000000040d6dc: hugetlb_cow (STB_LOCAL)
  

• In riscv64: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffe0002300e8)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffe0002300e8-ffffffe0002305e0: hugetlb_cow (STB_LOCAL)
  

Flavor

• In aws: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8128d8e0)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff8128d8e0-ffffffff8128df17: hugetlb_cow (STB_LOCAL)
  

• In azure: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8127f670)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff8127f670-ffffffff8127fc93: hugetlb_cow (STB_LOCAL)
  

• In gcp: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8128b6f0)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff8128b6f0-ffffffff8128bd27: hugetlb_cow (STB_LOCAL)
  

• In lowlatency: ✅

  vm_fault_t hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, long unsigned int address, pte_t *ptep, struct page *pagecache_page, spinlock_t *ptl);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/hugetlb.c (ffffffff8129b500)
  Location: mm/hugetlb.c:3727
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_fault
    - mm/hugetlb.c:hugetlb_no_page
  

  Symbols:

  ffffffff8129b500-ffffffff8129bb15: hugetlb_cow (STB_LOCAL)
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Param removed. pte_t pte
  • Param reordered. mm, vma, address, ptep, pte, pagecache_page, ptl ➡️ mm, vma, address, ptep, pagecache_page, ptl
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Return type changed. int ➡️ vm_fault_t
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅