DepSurf

Function: raw_atomic_sub

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/events/intel/uncore_nhmex.c (ffffffff81026d47)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  

  In arch/x86/events/intel/uncore_snbep.c (ffffffff810298d6)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - arch/x86/events/intel/uncore_snbep.c:__snbep_cbox_get_constraint
  

  In kernel/locking/spinlock.c (ffffffff82158e15)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - kernel/locking/spinlock.c:_raw_read_trylock
  

  In kernel/locking/qrwlock.c (ffffffff82159fc1)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

  In kernel/rcu/tree.c (ffffffff811cbbe1)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:kfree_rcu_monitor
  

  In kernel/trace/ring_buffer.c (ffffffff81279ab5)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - kernel/trace/ring_buffer.c:ring_buffer_reset_online_cpus
  

  In mm/filemap.c (ffffffff8138b3a5)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff813bd576)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff813e2d77)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - mm/gup.c:gup_put_folio
  

  In mm/swap_state.c (ffffffff8142bbce)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff81481835)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In fs/kernfs/inode.c (ffffffff81580d5f)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - fs/kernfs/inode.c:kernfs_vfs_user_xattr_set
    - fs/kernfs/inode.c:kernfs_vfs_user_xattr_set
  

  In fs/kernfs/dir.c (ffffffff81581fcf)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  

  In fs/jbd2/transaction.c (ffffffff81613654)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - fs/jbd2/transaction.c:stop_this_handle
    - fs/jbd2/transaction.c:jbd2_journal_extend
    - fs/jbd2/transaction.c:__jbd2_journal_unreserve_handle
    - fs/jbd2/transaction.c:__jbd2_journal_unreserve_handle
    - fs/jbd2/transaction.c:start_this_handle
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
  

  In fs/jbd2/commit.c (ffffffff81616fa9)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - fs/jbd2/commit.c:jbd2_journal_commit_transaction
  

  In block/blk-flush.c (ffffffff81774f3a)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - block/blk-flush.c:mq_flush_data_end_io
    - block/blk-flush.c:mq_flush_data_end_io
    - block/blk-flush.c:flush_end_io
    - block/blk-flush.c:flush_end_io
  

  In block/blk-mq.c (ffffffff817841fe)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - block/blk-mq.c:blk_mq_dispatch_rq_list
    - block/blk-mq.c:blk_mq_dispatch_rq_list
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:__blk_mq_free_request
    - block/blk-mq.c:__blk_mq_free_request
  

  In drivers/md/md.c (ffffffff81d5c932)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  

  In drivers/md/dm.c (ffffffff81d78ee8)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - drivers/md/dm.c:dm_split_and_process_bio
    - drivers/md/dm.c:__send_empty_flush
    - drivers/md/dm.c:__send_empty_flush
  

  In net/core/sock.c (ffffffff81e071ef)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/core/sock.c:sock_kzfree_s
    - net/core/sock.c:sock_kfree_s
    - net/core/sock.c:sock_kmalloc
    - net/core/sock.c:sock_ofree
    - net/core/sock.c:sock_rfree
  

  In net/core/skbuff.c (ffffffff81e100a9)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/core/skbuff.c:sock_rmem_free
  

  In net/core/datagram.c (ffffffff81e203a8)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

  In net/core/filter.c (ffffffff81e72aad)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/core/filter.c:sk_filter_uncharge
  

  In net/core/bpf_sk_storage.c (ffffffff81ea7665)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/core/bpf_sk_storage.c:bpf_sk_storage_uncharge
    - net/core/bpf_sk_storage.c:bpf_sk_storage_clone
  

  In net/ipv4/tcp_ipv4.c (ffffffff81f2dbde)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_destroy_sock
    - net/ipv4/tcp_ipv4.c:tcp_md5_do_del
  

  In net/ipv4/udp.c (ffffffff81f4133d)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__udp_enqueue_schedule_skb
    - net/ipv4/udp.c:udp_rmem_release
  

  In net/ipv4/igmp.c (ffffffff81f5bd1a)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv4/igmp.c:ip_mc_drop_socket
    - net/ipv4/igmp.c:ip_mc_msfilter
    - net/ipv4/igmp.c:ip_mc_source
    - net/ipv4/igmp.c:ip_mc_leave_group
  

  In net/unix/af_unix.c (ffffffff81fad524)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/unix/af_unix.c:unix_stream_read_generic
    - net/unix/af_unix.c:__unix_dgram_recvmsg
  

  In net/ipv6/af_inet6.c (ffffffff81fb26d1)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv6/af_inet6.c:inet6_cleanup_sock
  

  In net/ipv6/ipv6_sockglue.c (ffffffff81fe0a3c)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv6/ipv6_sockglue.c:do_ipv6_setsockopt
    - net/ipv6/ipv6_sockglue.c:ipv6_set_opt_hdr
  

  In net/ipv6/mcast.c (ffffffff81ff7d08)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv6/mcast.c:ip6_mc_msfilter
    - net/ipv6/mcast.c:ip6_mc_source
    - net/ipv6/mcast.c:__ipv6_sock_mc_close
    - net/ipv6/mcast.c:ipv6_sock_mc_drop
  

  In net/ipv6/calipso.c (ffffffff820178c1)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/ipv6/calipso.c:calipso_req_delattr
    - net/ipv6/calipso.c:calipso_req_setattr
    - net/ipv6/calipso.c:calipso_opt_update
  

  In net/mptcp/protocol.c (ffffffff8206f14e)
  Location: include/linux/atomic/atomic-arch-fallback.h:758
  Inline: True
  Inline callers:
    - net/mptcp/protocol.c:__mptcp_update_rmem
    - net/mptcp/protocol.c:mptcp_rfree
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/events/intel/uncore_nhmex.c (ffffffff8102cea7)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  

  In arch/x86/events/intel/uncore_snbep.c (ffffffff8102fa36)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - arch/x86/events/intel/uncore_snbep.c:__snbep_cbox_get_constraint
  

  In kernel/locking/spinlock.c (ffffffff8223c695)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - kernel/locking/spinlock.c:_raw_read_trylock
  

  In kernel/locking/qrwlock.c (ffffffff8223d841)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - kernel/locking/qrwlock.c:queued_read_lock_slowpath
  

  In kernel/rcu/tree.c (ffffffff811dd8e1)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:kfree_rcu_monitor
  

  In kernel/trace/ring_buffer.c (ffffffff81294595)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - kernel/trace/ring_buffer.c:ring_buffer_reset_online_cpus
  

  In kernel/context_tracking.c (ffffffff82224574)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - kernel/context_tracking.c:__ct_user_exit
  

  In mm/filemap.c (ffffffff813b4ecc)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff813e87e8)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff8140d5b4)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - mm/gup.c:gup_put_folio
  

  In mm/swap_state.c (ffffffff8146532b)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff814b087d)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In fs/kernfs/inode.c (ffffffff815b97db)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - fs/kernfs/inode.c:kernfs_vfs_user_xattr_set
    - fs/kernfs/inode.c:kernfs_vfs_user_xattr_set
  

  In fs/kernfs/dir.c (ffffffff815baaaf)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  

  In fs/jbd2/transaction.c (ffffffff8164c454)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - fs/jbd2/transaction.c:stop_this_handle
    - fs/jbd2/transaction.c:jbd2_journal_extend
    - fs/jbd2/transaction.c:__jbd2_journal_unreserve_handle
    - fs/jbd2/transaction.c:__jbd2_journal_unreserve_handle
    - fs/jbd2/transaction.c:start_this_handle
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
    - fs/jbd2/transaction.c:add_transaction_credits
  

  In fs/jbd2/commit.c (ffffffff8164fdc1)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - fs/jbd2/commit.c:jbd2_journal_commit_transaction
  

  In block/blk-flush.c (ffffffff817b7261)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - block/blk-flush.c:mq_flush_data_end_io
    - block/blk-flush.c:mq_flush_data_end_io
    - block/blk-flush.c:flush_end_io
    - block/blk-flush.c:flush_end_io
  

  In block/blk-mq.c (ffffffff817c650d)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - block/blk-mq.c:blk_mq_dispatch_rq_list
    - block/blk-mq.c:blk_mq_dispatch_rq_list
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:blk_mq_end_request_batch
    - block/blk-mq.c:__blk_mq_free_request
    - block/blk-mq.c:__blk_mq_free_request
  

  In drivers/md/md.c (ffffffff81e13f82)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  

  In drivers/md/dm.c (ffffffff81e30069)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - drivers/md/dm.c:dm_split_and_process_bio
    - drivers/md/dm.c:__send_empty_flush
    - drivers/md/dm.c:__send_empty_flush
  

  In net/core/sock.c (ffffffff81ec513f)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/core/sock.c:sock_kzfree_s
    - net/core/sock.c:sock_kfree_s
    - net/core/sock.c:sock_kmalloc
    - net/core/sock.c:sock_ofree
    - net/core/sock.c:sock_rfree
  

  In net/core/skbuff.c (ffffffff81eccb59)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/core/skbuff.c:sock_rmem_free
  

  In net/core/datagram.c (ffffffff81ede285)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

  In net/core/filter.c (ffffffff81f321ed)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/core/filter.c:sk_filter_uncharge
  

  In net/core/bpf_sk_storage.c (ffffffff81f6a115)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/core/bpf_sk_storage.c:bpf_sk_storage_uncharge
    - net/core/bpf_sk_storage.c:bpf_sk_storage_clone
  

  In net/ipv4/tcp_ipv4.c (ffffffff81ff73e8)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_clear_md5_list
    - net/ipv4/tcp_ipv4.c:tcp_md5_do_del
  

  In net/ipv4/udp.c (ffffffff82006f8d)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__udp_enqueue_schedule_skb
    - net/ipv4/udp.c:udp_rmem_release
  

  In net/ipv4/igmp.c (ffffffff8202227a)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv4/igmp.c:ip_mc_drop_socket
    - net/ipv4/igmp.c:ip_mc_msfilter
    - net/ipv4/igmp.c:ip_mc_source
    - net/ipv4/igmp.c:ip_mc_leave_group
  

  In net/ipv4/tcp_ao.c (ffffffff820550bc)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ao.c:tcp_ao_del_cmd
    - net/ipv4/tcp_ao.c:tcp_ao_add_cmd
    - net/ipv4/tcp_ao.c:tcp_ao_copy_all_matching
    - net/ipv4/tcp_ao.c:tcp_ao_connect_init
    - net/ipv4/tcp_ao.c:tcp_ao_time_wait
    - net/ipv4/tcp_ao.c:tcp_ao_destroy_sock
  

  In net/unix/af_unix.c (ffffffff8207b99d)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/unix/af_unix.c:unix_stream_read_generic
    - net/unix/af_unix.c:__unix_dgram_recvmsg
  

  In net/ipv6/af_inet6.c (ffffffff8207fe61)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv6/af_inet6.c:inet6_cleanup_sock
  

  In net/ipv6/ipv6_sockglue.c (ffffffff820af068)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv6/ipv6_sockglue.c:do_ipv6_setsockopt
    - net/ipv6/ipv6_sockglue.c:ipv6_set_opt_hdr
  

  In net/ipv6/mcast.c (ffffffff820c5958)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv6/mcast.c:ip6_mc_msfilter
    - net/ipv6/mcast.c:ip6_mc_source
    - net/ipv6/mcast.c:__ipv6_sock_mc_close
    - net/ipv6/mcast.c:ipv6_sock_mc_drop
  

  In net/ipv6/calipso.c (ffffffff820e6891)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/ipv6/calipso.c:calipso_req_delattr
    - net/ipv6/calipso.c:calipso_req_setattr
    - net/ipv6/calipso.c:calipso_opt_update
  

  In net/mptcp/protocol.c (ffffffff8214324e)
  Location: include/linux/atomic/atomic-arch-fallback.h:767
  Inline: True
  Inline callers:
    - net/mptcp/protocol.c:__mptcp_update_rmem
    - net/mptcp/protocol.c:mptcp_rfree
  

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