website-function

Function: `handle_userfault`

Status

Regular

In 4.4: ✅

int handle_userfault(struct vm_area_struct *vma, long unsigned int address, unsigned int flags, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff8125abe0)
Location: fs/userfaultfd.c:260
Inline: False
Direct callers:
  - mm/memory.c:handle_mm_fault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff8125abe0-ffffffff8125b0c0: handle_userfault (STB_GLOBAL)

In 4.8: ✅

int handle_userfault(struct fault_env *fe, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81283790)
Location: fs/userfaultfd.c:260
Inline: False
Direct callers:
  - mm/memory.c:handle_mm_fault
  - mm/memory.c:handle_mm_fault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81283790-ffffffff81283c8a: handle_userfault (STB_GLOBAL)

In 4.10: ✅

int handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff812972b0)
Location: fs/userfaultfd.c:267
Inline: False
Direct callers:
  - mm/memory.c:handle_mm_fault
  - mm/memory.c:handle_mm_fault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff812972b0-ffffffff812978f1: handle_userfault (STB_GLOBAL)

In 4.13: ✅

int handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff812a4af0)
Location: fs/userfaultfd.c:336
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:__handle_mm_fault
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff812a4af0-ffffffff812a516c: handle_userfault (STB_GLOBAL)

In 4.15: ✅

int handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff812c7f60)
Location: fs/userfaultfd.c:336
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:handle_pte_fault
  - mm/memory.c:handle_pte_fault
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff812c7f60-ffffffff812c8671: handle_userfault (STB_GLOBAL)

In 4.18: ✅

int handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff812f1290)
Location: fs/userfaultfd.c:343
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:handle_pte_fault
  - mm/memory.c:handle_pte_fault
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff812f1290-ffffffff812f1973: handle_userfault (STB_GLOBAL)

In 5.0: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81305c50)
Location: fs/userfaultfd.c:342
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:__handle_mm_fault
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81305c50-ffffffff81306333: handle_userfault (STB_GLOBAL)

In 5.3: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff813271d0)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff813271d0-ffffffff813278bf: handle_userfault (STB_GLOBAL)

In 5.4: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81339fb0)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81339fb0-ffffffff8133a69f: handle_userfault (STB_GLOBAL)

In 5.8: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81374180)
Location: fs/userfaultfd.c:381
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff81374180-ffffffff813746f6: handle_userfault (STB_GLOBAL)

In 5.11: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:368
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff81beac26-ffffffff81beac43: handle_userfault.cold (STB_LOCAL)
ffffffff81382140-ffffffff813825a1: handle_userfault (STB_GLOBAL)

In 5.13: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:366
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff81bdcc53-ffffffff81bdcc70: handle_userfault.cold (STB_LOCAL)
ffffffff813891c0-ffffffff81389627: handle_userfault (STB_GLOBAL)

In 5.15: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:367
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff81cc56ba-ffffffff81cc5714: handle_userfault.cold (STB_LOCAL)
ffffffff813d64c0-ffffffff813d690d: handle_userfault (STB_GLOBAL)

In 5.19: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:376
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff81e780a5-ffffffff81e780fa: handle_userfault.cold (STB_LOCAL)
ffffffff8145fe00-ffffffff81460204: handle_userfault (STB_GLOBAL)

In 6.2: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:392
Inline: False
Direct callers:
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff8206a007-ffffffff8206a030: handle_userfault.cold (STB_LOCAL)
ffffffff814efc80-ffffffff814f006b: handle_userfault (STB_GLOBAL)

In 6.5: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:415
Inline: False
Direct callers:
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff820e9f95-ffffffff820e9fcc: handle_userfault.cold (STB_LOCAL)
ffffffff81526a20-ffffffff81526ed3: handle_userfault (STB_GLOBAL)

In 6.8: Transformation ⚠️

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In fs/userfaultfd.c (0)
Location: fs/userfaultfd.c:416
Inline: False
Direct callers:
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/shmem.c:shmem_get_folio_gfp
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_wp_page
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:hugetlb_handle_userfault
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffffffff821c6a85-ffffffff821c6aae: handle_userfault.cold (STB_LOCAL)
ffffffff8155b7a0-ffffffff8155bbfc: handle_userfault (STB_GLOBAL)

Arch

In arm64: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffff8000103f9220)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:__do_huge_pmd_anonymous_page

Symbols:

ffff8000103f9220-ffff8000103f96e8: handle_userfault (STB_GLOBAL)

In armhf: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (c05cd110)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page

Symbols:

c05cd110-c05cd630: handle_userfault (STB_GLOBAL)

In ppc64el: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (c000000000501410)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

c000000000501410-c000000000501d50: handle_userfault (STB_GLOBAL)

In riscv64: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffe0002a85ae)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page

Symbols:

ffffffe0002a85ae-ffffffe0002a8a0c: handle_userfault (STB_GLOBAL)

Flavor

In aws: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81332590)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81332590-ffffffff81332c7f: handle_userfault (STB_GLOBAL)

In azure: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81323150)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81323150-ffffffff813237cf: handle_userfault (STB_GLOBAL)

In gcp: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff81330060)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff81330060-ffffffff8133074f: handle_userfault (STB_GLOBAL)

In lowlatency: ✅

vm_fault_t handle_userfault(struct vm_fault *vmf, long unsigned int reason);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In fs/userfaultfd.c (ffffffff813429c0)
Location: fs/userfaultfd.c:352
Inline: False
Direct callers:
  - mm/shmem.c:shmem_getpage_gfp
  - mm/memory.c:do_anonymous_page
  - mm/memory.c:do_anonymous_page
  - mm/hugetlb.c:hugetlb_no_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page
  - mm/huge_memory.c:do_huge_pmd_anonymous_page

Symbols:

ffffffff813429c0-ffffffff8134309d: handle_userfault (STB_GLOBAL)

Differences

Regular

Changed between 4.4 and 4.8 ⚠️
- Param added. struct fault_env *fe
- Param removed. struct vm_area_struct *vma
- Param removed. long unsigned int address
- Param removed. unsigned int flags
- Param reordered. vma, address, flags, reason ➡️ fe, reason
Changed between 4.8 and 4.10 ⚠️
- Param added. struct vm_fault *vmf
- Param removed. struct fault_env *fe
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 ✅
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 ✅

Arch

No changes between amd64 and arm64 ✅
No changes between amd64 and armhf ✅
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 ✅

website-function

Function: handle_userfault

Status

Differences

Function: `handle_userfault`