Defined in 2 files as a function:

• include/linux/refcount.h, line 265 (as a function)
• tools/include/linux/refcount.h, line 107 (as a function)

Documented in 1 files:

• include/linux/refcount.h, line 253

Referenced in 311 files:

• arch/s390/kernel/debug.c, line 382
• arch/s390/mm/extmem.c, line 426
• arch/s390/mm/gmap.c, 2 times
• arch/sparc/kernel/mdesc.c, line 264
• arch/x86/kernel/cpu/mce/amd.c, line 1355
• arch/x86/kernel/ioport.c, line 30
• block/bsg.c, line 274
• crypto/cryptd.c, line 146
• crypto/internal.h, line 101
• drivers/acpi/thermal.c, line 1017
• drivers/android/binder.c, line 5036
• drivers/base/core.c, 2 times
• drivers/base/power/runtime.c, 2 times
• drivers/block/nbd.c, 6 times
• drivers/block/virtio_blk.c, line 332
• drivers/char/mspec.c, line 93
• drivers/connector/connector.c, line 148
• drivers/crypto/caam/qi.c, line 120
• drivers/crypto/cavium/nitrox/nitrox_main.c, line 283
• drivers/dma/mediatek/mtk-cqdma.c, line 648
• drivers/dma/mediatek/mtk-hsdma.c, line 828
• drivers/firewire/core.h, line 199
• drivers/firmware/arm_scmi/driver.c, line 766
• drivers/firmware/arm_scmi/notify.c, 4 times
• drivers/gpu/drm/nouveau/nvkm/core/memory.c, line 66
• drivers/gpu/drm/omapdrm/omap_gem.c, line 819
• drivers/gpu/drm/vc4/vc4_gem.c, line 206
• drivers/gpu/drm/vc4/vc4_perfmon.c, line 21
• drivers/hwtracing/coresight/coresight-tmc-etr.c, line 1290
• drivers/infiniband/core/cm.c, 4 times
• drivers/infiniband/core/cma.c, 2 times
• drivers/infiniband/core/device.c, line 701
• drivers/infiniband/core/mad.c, 5 times
• drivers/infiniband/core/mad_rmpp.c, 2 times
• drivers/infiniband/hw/cxgb4/qp.c, line 895
• drivers/infiniband/hw/hns/hns_roce_db.c, line 49
• drivers/infiniband/hw/i40iw/i40iw_utils.c, line 608
• drivers/infiniband/hw/mlx5/odp.c, 4 times
• drivers/infiniband/hw/mlx5/qpc.c, line 25
• drivers/infiniband/hw/mlx5/srq_cmd.c, 2 times
• drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c, 4 times
• drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c, 3 times
• drivers/iommu/ioasid.c, line 360
• drivers/iommu/sun50i-iommu.c, line 728
• drivers/md/dm-cache-metadata.c, line 800
• drivers/md/dm-ps-io-affinity.c, line 93
• drivers/md/dm-table.c, line 390
• drivers/md/dm-thin.c, line 4115
• drivers/md/dm-zoned-target.c, 2 times
• drivers/md/dm.c, line 836
• drivers/media/common/videobuf2/videobuf2-dma-contig.c, line 422
• drivers/media/common/videobuf2/videobuf2-dma-sg.c, line 533
• drivers/media/common/videobuf2/videobuf2-memops.c, line 96
• drivers/media/common/videobuf2/videobuf2-vmalloc.c, line 361
• drivers/media/pci/cx88/cx88-core.c, line 1046
• drivers/media/platform/vsp1/vsp1_dl.c, line 714
• drivers/misc/lkdtm/refcount.c, 6 times
• drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c, line 99
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c, line 63
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c, line 176
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c, line 705
• drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c, line 216
• drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c, line 397
• drivers/net/ethernet/freescale/dpaa/dpaa_eth.c, line 513
• drivers/net/ethernet/freescale/enetc/enetc_qos.c, line 1307
• drivers/net/ethernet/marvell/prestera/prestera_switchdev.c, line 365
• drivers/net/ethernet/mediatek/mtk_eth_soc.c, line 2318
• drivers/net/ethernet/mellanox/mlx4/cq.c, line 95
• drivers/net/ethernet/mellanox/mlx4/qp.c, line 58
• drivers/net/ethernet/mellanox/mlx4/srq.c, line 52
• drivers/net/ethernet/mellanox/mlx5/core/cmd.c, line 142
• drivers/net/ethernet/mellanox/mlx5/core/en/mod_hdr.c, line 61
• drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c, line 1604
• drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c, line 1087
• drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c, line 73
• drivers/net/ethernet/mellanox/mlx5/core/en_tc.c, line 696
• drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c, line 113
• drivers/net/ethernet/mellanox/mlx5/core/fs_core.c, 5 times
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c, 7 times
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c, line 404
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c, line 915
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c, 2 times
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum.c, line 2684
• drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c, line 241
• drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c, 3 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c, 3 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_router_xm.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c, 4 times
• drivers/net/ethernet/mscc/ocelot.c, line 1456
• drivers/net/hamradio/6pack.c, line 379
• drivers/net/hamradio/mkiss.c, line 672
• drivers/net/ipa/gsi.c, 2 times
• drivers/net/ipa/gsi_trans.c, 2 times
• drivers/net/phy/phy_device.c, line 1575
• drivers/net/ppp/ppp_async.c, line 139
• drivers/net/ppp/ppp_generic.c, 7 times
• drivers/net/ppp/ppp_synctty.c, line 141
• drivers/net/rionet.c, line 201
• drivers/net/wireless/intersil/hostap/hostap_hw.c, 3 times
• drivers/net/wireless/intersil/orinoco/orinoco_usb.c, 4 times
• drivers/pci/controller/pci-hyperv.c, 2 times
• drivers/pinctrl/sunxi/pinctrl-sunxi.c, line 774
• drivers/s390/char/vmur.c, line 128
• drivers/s390/net/ctcm_fsms.c, line 1784
• drivers/s390/net/ctcm_main.c, 6 times
• drivers/s390/net/lcs.c, line 759
• drivers/s390/net/netiucv.c, 2 times
• drivers/s390/net/qeth_core.h, line 644
• drivers/scsi/libfc/fc_fcp.c, line 178
• drivers/scsi/libiscsi.c, line 482
• drivers/staging/vme/devices/vme_user.c, line 428
• drivers/target/target_core_iblock.c, 2 times
• drivers/tty/serial/sb1250-duart.c, line 697
• drivers/usb/gadget/function/f_fs.c, 2 times
• drivers/usb/gadget/legacy/inode.c, 2 times
• drivers/xen/gntdev.c, 2 times
• fs/9p/fid.c, 4 times
• fs/afs/dir.c, line 977
• fs/afs/file.c, line 104
• fs/afs/internal.h, 3 times
• fs/afs/write.c, line 315
• fs/btrfs/backref.c, line 1234
• fs/btrfs/block-group.c, 6 times
• fs/btrfs/compression.c, 2 times
• fs/btrfs/delayed-inode.c, 9 times
• fs/btrfs/delayed-ref.c, line 404
• fs/btrfs/disk-io.c, line 4949
• fs/btrfs/extent-tree.c, 4 times
• fs/btrfs/extent_io.c, 5 times
• fs/btrfs/extent_map.c, 2 times
• fs/btrfs/inode.c, 2 times
• fs/btrfs/ordered-data.c, 8 times
• fs/btrfs/raid56.c, 3 times
• fs/btrfs/scrub.c, 5 times
• fs/btrfs/transaction.c, 8 times
• fs/btrfs/tree-log.c, line 4539
• fs/btrfs/volumes.c, line 5753
• fs/ceph/caps.c, 2 times
• fs/ceph/mds_client.c, line 773
• fs/crypto/keysetup.c, line 527
• fs/crypto/keysetup_v1.c, line 207
• fs/f2fs/data.c, line 2212
• fs/fs_context.c, line 339
• fs/fuse/dax.c, 2 times
• fs/fuse/dev.c, line 69
• fs/fuse/file.c, line 93
• fs/fuse/inode.c, line 741
• fs/io-wq.c, line 922
• fs/io_uring.c, line 7317
• fs/lockd/clntproc.c, 3 times
• fs/lockd/host.c, 3 times
• fs/lockd/mon.c, 2 times
• fs/lockd/svclock.c, line 338
• fs/mount.h, line 122
• fs/netfs/read_helper.c, 2 times
• fs/nfs/cache_lib.c, line 90
• fs/nfs/client.c, 3 times
• fs/nfs/delegation.c, line 52
• fs/nfs/filelayout/filelayout.c, 3 times
• fs/nfs/flexfilelayout/flexfilelayout.c, 3 times
• fs/nfs/nfs4client.c, 5 times
• fs/nfs/nfs4proc.c, 5 times
• fs/nfs/nfs4state.c, 5 times
• fs/nfs/pagelist.c, line 450
• fs/nfs/pnfs.c, 2 times
• fs/nfs/pnfs.h, line 447
• fs/nfs/pnfs_nfs.c, line 796
• fs/nfsd/filecache.c, line 1022
• fs/nfsd/nfs4layouts.c, 2 times
• fs/nfsd/nfs4proc.c, 2 times
• fs/nfsd/nfs4state.c, 11 times
• fs/nfsd/state.h, line 685
• fs/nilfs2/the_nilfs.c, 2 times
• fs/nilfs2/the_nilfs.h, line 294
• fs/notify/group.c, line 101
• fs/notify/mark.c, line 97
• fs/proc/internal.h, line 197
• fs/userfaultfd.c, line 154
• include/linux/atmdev.h, line 273
• include/linux/blk-cgroup.h, line 415
• include/linux/cgroup.h, line 891
• include/linux/inetdevice.h, 2 times
• include/linux/ipc_namespace.h, line 130
• include/linux/key.h, line 302
• include/linux/kref.h, line 45
• include/linux/mlx5/cq.h, line 177
• include/linux/mroute_base.h, line 165
• include/linux/netdevice.h, line 4157
• include/linux/pid.h, line 85
• include/linux/pid_namespace.h, line 44
• include/linux/posix_acl.h, line 47
• include/linux/sched/task.h, line 104
• include/linux/sched/user.h, line 56
• include/linux/skbuff.h, 3 times
• include/linux/time_namespace.h, line 38
• include/linux/user_namespace.h, line 118
• include/linux/utsname.h, line 34
• include/net/addrconf.h, 3 times
• include/net/ax25.h, 3 times
• include/net/bluetooth/rfcomm.h, line 251
• include/net/fib_rules.h, line 128
• include/net/ip.h, line 484
• include/net/ip6_fib.h, line 326
• include/net/ip_fib.h, line 526
• include/net/ip_vs.h, line 1443
• include/net/ipx.h, 2 times
• include/net/llc.h, line 117
• include/net/neighbour.h, 3 times
• include/net/net_namespace.h, line 239
• include/net/netrom.h, 2 times
• include/net/sch_generic.h, line 125
• include/net/sctp/auth.h, line 67
• include/net/sock.h, line 698
• include/net/x25.h, 2 times
• include/net/xfrm.h, 2 times
• ipc/sem.c, line 2295
• kernel/audit_tree.c, line 113
• kernel/audit_watch.c, line 102
• kernel/bpf/btf.c, 2 times
• kernel/bpf/dispatcher.c, line 52
• kernel/bpf/trampoline.c, line 71
• kernel/cgroup/cgroup-internal.h, line 202
• kernel/events/core.c, line 1239
• kernel/events/uprobes.c, line 597
• kernel/fork.c, 2 times
• kernel/kcov.c, line 401
• kernel/sched/core.c, line 2259
• kernel/seccomp.c, 2 times
• kernel/trace/trace.c, line 7951
• kernel/user.c, line 127
• net/atm/lec.c, line 108
• net/atm/mpoa_caches.c, 9 times
• net/bridge/br_vlan.c, 2 times
• net/ceph/messenger.c, line 1865
• net/ceph/snapshot.c, line 49
• net/core/datagram.c, line 197
• net/core/dev.c, line 2336
• net/core/devlink.c, 2 times
• net/core/flow_offload.c, line 357
• net/core/net-sysfs.c, line 1785
• net/core/netpoll.c, line 641
• net/core/page_pool.c, line 587
• net/core/pktgen.c, line 3370
• net/core/rtnetlink.c, line 715
• net/core/skbuff.c, line 1703
• net/dccp/ipv6.c, line 374
• net/decnet/dn_fib.c, 2 times
• net/dsa/tag_8021q.c, line 354
• net/ipv4/cipso_ipv4.c, 2 times
• net/ipv4/fib_trie.c, line 1609
• net/ipv4/igmp.c, line 220
• net/ipv4/inet_fragment.c, line 200
• net/ipv4/ip_fragment.c, line 252
• net/ipv4/netfilter/ipt_CLUSTERIP.c, line 85
• net/ipv6/anycast.c, line 242
• net/ipv6/calipso.c, 2 times
• net/ipv6/mcast.c, 3 times
• net/ipv6/syncookies.c, line 192
• net/ipv6/tcp_ipv6.c, line 826
• net/ipv6/xfrm6_tunnel.c, line 171
• net/l2tp/l2tp_core.c, 2 times
• net/lapb/lapb_iface.c, line 52
• net/netfilter/ipvs/ip_vs_conn.c, 2 times
• net/netfilter/nf_conntrack_expect.c, line 206
• net/netfilter/nfnetlink_log.c, line 121
• net/netfilter/xt_hashlimit.c, line 415
• net/netlink/af_netlink.c, 3 times
• net/rds/ib.c, 2 times
• net/rds/ib_rdma.c, 2 times
• net/rds/message.c, line 54
• net/rds/recv.c, line 73
• net/sched/act_api.c, 2 times
• net/sched/cls_api.c, 2 times
• net/sched/cls_flower.c, 2 times
• net/sched/cls_tcindex.c, line 67
• net/sched/sch_taprio.c, line 1188
• net/sctp/associola.c, line 857
• net/sctp/auth.c, line 112
• net/sctp/chunk.c, line 121
• net/sctp/endpointola.c, line 227
• net/sctp/sm_make_chunk.c, line 1494
• net/sctp/socket.c, line 8867
• net/smc/smc_ism.c, line 108
• net/smc/smc_pnet.c, line 747
• net/sunrpc/auth.c, line 558
• net/sunrpc/auth_gss/auth_gss.c, 7 times
• net/sunrpc/auth_null.c, line 24
• net/sunrpc/auth_unix.c, line 31
• net/unix/af_unix.c, line 1381
• net/xdp/xdp_umem.c, line 78
• net/xdp/xsk_buff_pool.c, 2 times
• security/keys/key.c, 2 times
• security/landlock/object.h, line 88
• security/landlock/ruleset.c, line 246
• security/landlock/ruleset.h, line 162
• sound/core/pcm_native.c, 2 times
• sound/virtio/virtio_ctl_msg.c, line 35
• tools/lib/perf/cpumap.c, line 38
• tools/lib/perf/mmap.c, line 65
• tools/lib/perf/threadmap.c, line 73
• tools/perf/util/block-info.c, line 49
• tools/perf/util/cgroup.c, 2 times
• tools/perf/util/dso.c, line 1332
• tools/perf/util/map.h, line 119
• tools/perf/util/maps.h, line 58
• tools/perf/util/namespaces.c, line 198
• tools/perf/util/symbol.c, line 2603
• tools/perf/util/thread.c, line 121
• virt/kvm/kvm_main.c, line 1049