DepSurf

Function: down_write_trylock

Status

Regular

• In 4.4: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810c9f20)
  Location: kernel/locking/rwsem.c:60
  Inline: False
  

  Symbols:

  ffffffff810c9f20-ffffffff810c9f63: down_write_trylock (STB_GLOBAL)
  

• In 4.8: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810ce870)
  Location: kernel/locking/rwsem.c:82
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
  

  Symbols:

  ffffffff810ce870-ffffffff810ce8b0: down_write_trylock (STB_GLOBAL)
  

• In 4.10: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810d54b0)
  Location: kernel/locking/rwsem.c:82
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/xattr.c:ext4_expand_extra_isize_ea
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810d54b0-ffffffff810d54f0: down_write_trylock (STB_GLOBAL)
  

• In 4.13: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810d4480)
  Location: kernel/locking/rwsem.c:83
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810d4480-ffffffff810d44c0: down_write_trylock (STB_GLOBAL)
  

• In 4.15: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810dc3e0)
  Location: kernel/locking/rwsem.c:100
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810dc3e0-ffffffff810dc420: down_write_trylock (STB_GLOBAL)
  

• In 4.18: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810e4a20)
  Location: kernel/locking/rwsem.c:100
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810e4a20-ffffffff810e4a60: down_write_trylock (STB_GLOBAL)
  

• In 5.0: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810f0050)
  Location: kernel/locking/rwsem.c:100
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810f0050-ffffffff810f0090: down_write_trylock (STB_GLOBAL)
  

• In 5.3: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810f7b20)
  Location: kernel/locking/rwsem.c:1526
  Inline: False
  Direct callers:
    - mm/khugepaged.c:collapse_shmem
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810f7b20-ffffffff810f7b4f: down_write_trylock (STB_GLOBAL)
  

• In 5.4: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff81103950)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff81103950-ffffffff8110397f: down_write_trylock (STB_GLOBAL)
  

• In 5.8: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110e4a0)
  Location: kernel/locking/rwsem.c:1557
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
    - drivers/vfio/pci/vfio_pci.c:vfio_pci_ioctl
  

  Symbols:

  ffffffff8110e4a0-ffffffff8110e4cf: down_write_trylock (STB_GLOBAL)
  

• In 5.11: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110bd80)
  Location: kernel/locking/rwsem.c:1432
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
    - drivers/vfio/pci/vfio_pci.c:vfio_pci_ioctl
  

  Symbols:

  ffffffff8110bd80-ffffffff8110bdaf: down_write_trylock (STB_GLOBAL)
  

• In 5.13: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110dba0)
  Location: kernel/locking/rwsem.c:1432
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
    - drivers/vfio/pci/vfio_pci.c:vfio_pci_ioctl
  

  Symbols:

  ffffffff8110dba0-ffffffff8110dbcf: down_write_trylock (STB_GLOBAL)
  

• In 5.15: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8112d450)
  Location: kernel/locking/rwsem.c:1549
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
    - drivers/vfio/pci/vfio_pci_core.c:vfio_pci_core_ioctl
  

  Symbols:

  ffffffff8112d450-ffffffff8112d47f: down_write_trylock (STB_GLOBAL)
  

• In 5.19: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8114e820)
  Location: kernel/locking/rwsem.c:1578
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
    - drivers/vfio/pci/vfio_pci_core.c:vfio_pci_dev_set_hot_reset
  

  Symbols:

  ffffffff8114e820-ffffffff8114e85f: down_write_trylock (STB_GLOBAL)
  

• In 6.2: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8117d890)
  Location: kernel/locking/rwsem.c:1599
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/hugetlb.c:hugetlb_vma_trylock_write
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff8117d890-ffffffff8117d8e5: down_write_trylock (STB_GLOBAL)
  

• In 6.5: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8118e530)
  Location: kernel/locking/rwsem.c:1599
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/hugetlb.c:hugetlb_vma_trylock_write
    - mm/khugepaged.c:retract_page_tables
    - mm/khugepaged.c:retract_page_tables
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff8118e530-ffffffff8118e585: down_write_trylock (STB_GLOBAL)
  

• In 6.8: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8119cee0)
  Location: kernel/locking/rwsem.c:1605
  Inline: False
  Direct callers:
    - mm/hugetlb.c:hugetlb_page_mapping_lock_write
    - mm/hugetlb.c:hugetlb_vma_trylock_write
    - mm/hugetlb.c:hugetlb_vma_trylock_write
    - mm/userfaultfd.c:move_pages_pte
    - fs/locks.c:generic_add_lease
    - fs/ext4/file.c:ext4_dax_write_iter
    - fs/ext4/file.c:ext4_dio_write_iter
    - fs/ext4/inode.c:__ext4_mark_inode_dirty
    - fs/fuse/dax.c:fuse_dax_write_iter
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff8119cee0-ffffffff8119cf35: down_write_trylock (STB_GLOBAL)
  

Arch

• In arm64: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffff800010168fd0)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffff800010168fd0-ffff800010169044: down_write_trylock (STB_GLOBAL)
  

• In armhf: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c03b6060)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
  

  Symbols:

  c03b6060-c03b60c0: down_write_trylock (STB_GLOBAL)
  

• In ppc64el: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c0000000001c0b20)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
  

  Symbols:

  c0000000001c0b20-c0000000001c0b70: down_write_trylock (STB_GLOBAL)
  

• In riscv64: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffe00010a86c)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
  

  Symbols:

  ffffffe00010a86c-ffffffe00010a8b2: down_write_trylock (STB_GLOBAL)
  

Flavor

• In aws: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810fcc60)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810fcc60-ffffffff810fcc8f: down_write_trylock (STB_GLOBAL)
  

• In azure: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810ece70)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810ece70-ffffffff810ece9f: down_write_trylock (STB_GLOBAL)
  

• In gcp: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810f9e20)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged_scan_mm_slot
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff810f9e20-ffffffff810f9e4f: down_write_trylock (STB_GLOBAL)
  

• In lowlatency: ✅

  int down_write_trylock(struct rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff81104f90)
  Location: kernel/locking/rwsem.c:1560
  Inline: False
  Direct callers:
    - mm/khugepaged.c:khugepaged
    - mm/khugepaged.c:collapse_file
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/file.c:ext4_file_write_iter
    - fs/ext4/inode.c:ext4_mark_inode_dirty
    - drivers/acpi/cppc_acpi.c:cppc_set_perf
  

  Symbols:

  ffffffff81104f90-ffffffff81104fbf: down_write_trylock (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• 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 ✅