Defined in 2 files as a function:

• include/linux/refcount.h, line 134 (as a function)
• tools/include/linux/refcount.h, line 58 (as a function)

Documented in 1 files:

• include/linux/refcount.h, line 129

Referenced in 352 files:

• arch/arm64/include/asm/mmu_context.h, line 166
• arch/arm64/mm/context.c, line 304
• arch/s390/kernel/debug.c, 2 times
• arch/s390/mm/extmem.c, line 366
• arch/s390/mm/gmap.c, 2 times
• arch/sparc/kernel/mdesc.c, line 157
• arch/x86/kernel/cpu/mce/amd.c, line 1378
• arch/x86/kernel/ioport.c, 2 times
• arch/x86/kvm/mmu/tdp_mmu.c, line 209
• block/blk-cgroup.c, line 1113
• block/blk-core.c, line 125
• block/blk-mq.c, line 329
• block/bsg.c, line 256
• crypto/algapi.c, 2 times
• crypto/api.c, line 135
• crypto/cryptd.c, 3 times
• drivers/acpi/thermal.c, line 1051
• drivers/android/binder.c, line 5891
• drivers/android/binderfs.c, 2 times
• drivers/base/core.c, line 792
• drivers/block/nbd.c, 4 times
• drivers/block/rnbd/rnbd-clt.c, 2 times
• drivers/block/virtio_blk.c, line 740
• drivers/char/mspec.c, line 206
• drivers/connector/cn_queue.c, line 34
• drivers/crypto/caam/qi.c, line 461
• drivers/crypto/cavium/nitrox/nitrox_main.c, line 241
• drivers/dma/mediatek/mtk-cqdma.c, 2 times
• drivers/dma/mediatek/mtk-hsdma.c, 2 times
• drivers/edac/ghes_edac.c, line 628
• drivers/firewire/core-topology.c, line 114
• drivers/firmware/arm_scmi/driver.c, line 705
• drivers/firmware/arm_scmi/notify.c, 2 times
• drivers/gpu/drm/i915/intel_wakeref.c, 2 times
• drivers/gpu/drm/i915/selftests/lib_sw_fence.c, line 117
• drivers/gpu/drm/nouveau/nvkm/core/engine.c, 2 times
• drivers/gpu/drm/nouveau/nvkm/core/memory.c, line 93
• drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c, 2 times
• drivers/gpu/drm/omapdrm/omap_gem.c, line 783
• drivers/gpu/drm/vc4/vc4_bo.c, 3 times
• drivers/gpu/drm/vc4/vc4_perfmon.c, line 136
• drivers/hwtracing/coresight/coresight-tmc-etr.c, line 893
• drivers/infiniband/core/cm.c, line 860
• drivers/infiniband/core/cma.c, 2 times
• drivers/infiniband/core/device.c, 2 times
• drivers/infiniband/core/mad.c, line 404
• drivers/infiniband/core/mad_rmpp.c, line 299
• drivers/infiniband/core/ucma.c, line 216
• drivers/infiniband/hw/cxgb4/qp.c, line 2218
• drivers/infiniband/hw/hns/hns_roce_db.c, line 32
• drivers/infiniband/hw/i40iw/i40iw_verbs.c, line 619
• drivers/infiniband/hw/mlx5/mlx5_ib.h, line 1589
• drivers/infiniband/hw/mlx5/odp.c, line 441
• drivers/infiniband/hw/mlx5/qpc.c, line 168
• drivers/infiniband/hw/mlx5/srq_cmd.c, line 650
• drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c, line 178
• drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c, line 252
• drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c, line 138
• drivers/infiniband/ulp/rtrs/rtrs-srv.c, line 1386
• drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c, 3 times
• drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c, line 1915
• drivers/iommu/ioasid.c, line 318
• drivers/iommu/sun50i-iommu.c, line 622
• drivers/irqchip/irq-gic-v3.c, 2 times
• drivers/md/bcache/super.c, line 1299
• drivers/md/dm-cache-metadata.c, line 762
• drivers/md/dm-ps-io-affinity.c, line 64
• drivers/md/dm-table.c, line 381
• drivers/md/dm-thin.c, line 4267
• drivers/md/dm-zoned-target.c, 2 times
• drivers/md/dm.c, line 833
• drivers/media/common/videobuf2/videobuf2-dma-contig.c, line 174
• drivers/media/common/videobuf2/videobuf2-dma-sg.c, line 158
• drivers/media/common/videobuf2/videobuf2-vmalloc.c, line 60
• drivers/media/pci/cx88/cx88-cards.c, line 3707
• drivers/media/platform/vsp1/vsp1_dl.c, line 339
• drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c, 2 times
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c, line 6858
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c, line 75
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c, 2 times
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c, line 701
• drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c, line 1557
• drivers/net/ethernet/freescale/dpaa/dpaa_eth.c, line 524
• drivers/net/ethernet/freescale/enetc/enetc_qos.c, 5 times
• drivers/net/ethernet/marvell/prestera/prestera_switchdev.c, line 345
• drivers/net/ethernet/mediatek/mtk_eth_soc.c, line 2315
• drivers/net/ethernet/mellanox/mlx4/cq.c, line 412
• drivers/net/ethernet/mellanox/mlx4/qp.c, line 426
• drivers/net/ethernet/mellanox/mlx4/srq.c, line 206
• drivers/net/ethernet/mellanox/mlx5/core/cmd.c, line 93
• drivers/net/ethernet/mellanox/mlx5/core/cq.c, line 112
• drivers/net/ethernet/mellanox/mlx5/core/en/mod_hdr.c, line 111
• drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c, line 387
• drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c, 3 times
• drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c, 3 times
• drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c, line 382
• drivers/net/ethernet/mellanox/mlx5/core/en_tc.c, 2 times
• drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c, line 235
• drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c, line 107
• drivers/net/ethernet/mellanox/mlx5/core/fs_core.c, line 286
• drivers/net/ethernet/mellanox/mlx5/core/sf/devlink.c, 2 times
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c, line 564
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c, line 311
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c, line 924
• drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c, line 259
• drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum.c, line 2626
• drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c, line 201
• drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c, line 943
• drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c, 4 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_router_xm.c, 2 times
• drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c, 5 times
• drivers/net/ethernet/mscc/ocelot.c, line 1421
• drivers/net/hamradio/6pack.c, line 569
• drivers/net/hamradio/mkiss.c, line 708
• drivers/net/ipa/gsi_trans.c, line 364
• drivers/net/ipa/ipa_clock.c, 2 times
• drivers/net/macsec.c, 3 times
• drivers/net/phy/phy_device.c, line 1569
• drivers/net/ppp/ppp_async.c, line 184
• drivers/net/ppp/ppp_generic.c, line 3340
• drivers/net/ppp/ppp_synctty.c, line 182
• drivers/net/vxlan.c, line 3526
• drivers/net/wireless/intersil/hostap/hostap_hw.c, 2 times
• drivers/net/wireless/intersil/orinoco/orinoco_usb.c, line 361
• drivers/nvme/host/rdma.c, line 1525
• drivers/pci/controller/pci-hyperv.c, 2 times
• drivers/perf/arm_dmc620_pmu.c, line 416
• drivers/pinctrl/sunxi/pinctrl-sunxi.c, line 796
• drivers/s390/char/vmur.c, line 112
• drivers/s390/net/lcs.c, line 779
• drivers/s390/net/qeth_core_main.c, line 986
• drivers/scsi/libfc/fc_fcp.c, line 145
• drivers/scsi/libiscsi.c, 2 times
• drivers/staging/vme/devices/vme_user.c, line 471
• drivers/target/target_core_iblock.c, 3 times
• drivers/usb/gadget/function/f_fs.c, line 1756
• drivers/usb/gadget/legacy/inode.c, 2 times
• drivers/vfio/vfio.c, line 790
• drivers/vhost/net.c, line 908
• drivers/xen/gntdev.c, line 204
• fs/afs/addr_list.c, line 44
• fs/afs/dir.c, line 294
• fs/afs/file.c, 2 times
• fs/afs/main.c, line 111
• fs/afs/proc.c, line 501
• fs/afs/security.c, line 227
• fs/afs/server_list.c, line 44
• fs/afs/volume.c, line 103
• fs/aio.c, line 1041
• fs/btrfs/block-group.c, 2 times
• fs/btrfs/compression.c, 4 times
• fs/btrfs/delayed-inode.c, 3 times
• fs/btrfs/delayed-ref.c, 2 times
• fs/btrfs/disk-io.c, 2 times
• fs/btrfs/extent_io.c, line 341
• fs/btrfs/extent_map.c, line 60
• fs/btrfs/inode.c, line 8115
• fs/btrfs/ordered-data.c, line 208
• fs/btrfs/raid56.c, line 998
• fs/btrfs/scrub.c, 6 times
• fs/btrfs/tests/extent-map-tests.c, line 30
• fs/btrfs/transaction.c, 2 times
• fs/btrfs/volumes.c, line 5742
• fs/cachefiles/io.c, 2 times
• fs/ceph/mds_client.c, line 758
• fs/ceph/snap.c, line 533
• fs/crypto/keyring.c, line 351
• fs/crypto/keysetup_v1.c, line 234
• fs/debugfs/file.c, line 97
• fs/exec.c, line 1195
• fs/f2fs/acl.c, line 296
• fs/f2fs/compress.c, line 1545
• fs/fsopen.c, line 103
• fs/fuse/dax.c, line 1275
• fs/fuse/dev.c, line 48
• fs/fuse/file.c, line 75
• fs/fuse/inode.c, line 695
• fs/io-wq.c, 2 times
• fs/io_uring.c, 2 times
• fs/lockd/clntproc.c, 2 times
• fs/lockd/host.c, line 155
• fs/lockd/mon.c, line 283
• fs/lockd/svclock.c, line 378
• fs/namespace.c, line 3307
• fs/netfs/read_helper.c, 2 times
• fs/nfs/cache_lib.c, line 102
• fs/nfs/client.c, line 164
• fs/nfs/delegation.c, line 437
• fs/nfs/flexfilelayout/flexfilelayout.c, line 226
• fs/nfs/inode.c, line 912
• fs/nfs/nfs4state.c, 2 times
• fs/nfs/pnfs.c, 2 times
• fs/nfs/pnfs_nfs.c, 2 times
• fs/nfsd/filecache.c, 2 times
• fs/nfsd/nfs4proc.c, 2 times
• fs/nfsd/nfs4state.c, 4 times
• fs/nilfs2/the_nilfs.c, line 775
• fs/notify/group.c, line 124
• fs/notify/mark.c, line 811
• fs/posix_acl.c, 2 times
• fs/proc/generic.c, line 445
• fs/userfaultfd.c, 2 times
• include/linux/kref.h, line 31
• include/net/netlabel.h, line 284
• include/net/request_sock.h, line 110
• ipc/namespace.c, line 54
• ipc/sem.c, line 1859
• ipc/util.c, line 284
• kernel/audit_tree.c, line 99
• kernel/audit_watch.c, line 169
• kernel/bpf/bpf_struct_ops.c, 2 times
• kernel/bpf/btf.c, 3 times
• kernel/bpf/dispatcher.c, line 62
• kernel/bpf/trampoline.c, line 82
• kernel/cgroup/cgroup.c, line 1202
• kernel/cgroup/namespace.c, line 35
• kernel/events/core.c, line 4549
• kernel/events/ring_buffer.c, 2 times
• kernel/events/uprobes.c, line 693
• kernel/fork.c, 5 times
• kernel/futex.c, 2 times
• kernel/kcov.c, line 502
• kernel/kprobes.c, 2 times
• kernel/pid.c, line 260
• kernel/pid_namespace.c, line 105
• kernel/sched/core.c, line 2248
• kernel/sched/fair.c, line 2501
• kernel/seccomp.c, 2 times
• kernel/time/namespace.c, line 95
• kernel/trace/trace.c, line 8025
• kernel/user.c, line 190
• kernel/user_namespace.c, line 115
• kernel/utsname.c, line 36
• lib/refcount.c, line 15
• mm/memcontrol.c, line 5131
• net/9p/client.c, 2 times
• net/atm/common.c, line 160
• net/atm/lec.c, line 1546
• net/atm/mpoa_caches.c, 2 times
• net/atm/resources.c, line 113
• net/ax25/af_ax25.c, line 509
• net/ax25/ax25_route.c, line 114
• net/ax25/ax25_uid.c, line 107
• net/bluetooth/rfcomm/core.c, line 310
• net/bridge/br_vlan.c, 2 times
• net/ceph/osd_client.c, line 1199
• net/ceph/pagelist.c, line 23
• net/ceph/snapshot.c, line 39
• net/core/dev.c, 2 times
• net/core/devlink.c, line 6111
• net/core/dst.c, line 207
• net/core/fib_rules.c, 2 times
• net/core/filter.c, line 1465
• net/core/flow_offload.c, line 344
• net/core/neighbour.c, 3 times
• net/core/net_namespace.c, 4 times
• net/core/netpoll.c, 3 times
• net/core/page_pool.c, line 75
• net/core/skbuff.c, 7 times
• net/core/skmsg.c, line 693
• net/core/sock.c, 4 times
• net/decnet/dn_fib.c, line 393
• net/dsa/tag_8021q.c, line 370
• net/ipv4/cipso_ipv4.c, line 418
• net/ipv4/devinet.c, line 274
• net/ipv4/fib_semantics.c, line 1555
• net/ipv4/igmp.c, line 1446
• net/ipv4/inet_connection_sock.c, line 798
• net/ipv4/inet_fragment.c, 2 times
• net/ipv4/inet_timewait_sock.c, 2 times
• net/ipv4/inetpeer.c, line 213
• net/ipv4/ipmr.c, line 957
• net/ipv4/metrics.c, line 84
• net/ipv4/netfilter/ipt_CLUSTERIP.c, 2 times
• net/ipv4/nexthop.c, line 2635
• net/ipv4/syncookies.c, line 212
• net/ipv4/tcp_fastopen.c, line 295
• net/ipv6/addrconf.c, 2 times
• net/ipv6/anycast.c, line 276
• net/ipv6/calipso.c, line 362
• net/ipv6/exthdrs.c, 2 times
• net/ipv6/ip6_fib.c, 2 times
• net/ipv6/ip6mr.c, line 986
• net/ipv6/ipv6_sockglue.c, line 710
• net/ipv6/mcast.c, line 886
• net/ipv6/xfrm6_tunnel.c, line 153
• net/l2tp/l2tp_core.c, 2 times
• net/lapb/lapb_iface.c, line 136
• net/llc/llc_core.c, line 44
• net/mptcp/token_test.c, 2 times
• net/netfilter/ipvs/ip_vs_conn.c, line 989
• net/netfilter/ipvs/ip_vs_ctl.c, line 1016
• net/netfilter/nf_conntrack_expect.c, line 298
• net/netfilter/nf_conntrack_helper.c, line 436
• net/netfilter/nfnetlink_acct.c, line 136
• net/netfilter/nfnetlink_cttimeout.c, line 160
• net/netfilter/nfnetlink_log.c, line 186
• net/netfilter/xt_hashlimit.c, line 319
• net/netrom/nr_route.c, 3 times
• net/packet/af_packet.c, 2 times
• net/rds/ib.c, line 147
• net/rds/message.c, line 298
• net/rds/recv.c, 2 times
• net/sched/act_api.c, line 477
• net/sched/act_ct.c, line 292
• net/sched/cls_api.c, 2 times
• net/sched/cls_flower.c, 2 times
• net/sched/cls_tcindex.c, 2 times
• net/sched/sch_generic.c, line 903
• net/sched/sch_taprio.c, line 1175
• net/sctp/associola.c, line 76
• net/sctp/auth.c, 2 times
• net/sctp/chunk.c, line 37
• net/sctp/endpointola.c, line 68
• net/sctp/sm_make_chunk.c, line 1370
• net/sctp/transport.c, line 84
• net/smc/smc_ism.c, line 102
• net/smc/smc_pnet.c, line 752
• net/sunrpc/auth.c, line 600
• net/sunrpc/auth_gss/auth_gss.c, 3 times
• net/tipc/bearer.c, line 345
• net/tipc/crypto.c, 3 times
• net/tls/tls_device.c, line 999
• net/unix/af_unix.c, 2 times
• net/x25/x25_link.c, line 285
• net/x25/x25_route.c, line 53
• net/xdp/xdp_umem.c, line 214
• net/xdp/xsk_buff_pool.c, 2 times
• net/xfrm/xfrm_policy.c, line 400
• net/xfrm/xfrm_state.c, line 618
• security/keys/key.c, 2 times
• security/landlock/object.c, line 31
• security/landlock/ruleset.c, 2 times
• sound/core/pcm_native.c, line 82
• sound/virtio/virtio_ctl_msg.c, line 104
• tools/lib/perf/cpumap.c, 3 times
• tools/lib/perf/evlist.c, line 474
• tools/lib/perf/mmap.c, 2 times
• tools/lib/perf/threadmap.c, line 52
• tools/perf/util/block-info.c, line 64
• tools/perf/util/cgroup.c, 2 times
• tools/perf/util/comm.c, line 55
• tools/perf/util/cpumap.c, 2 times
• tools/perf/util/dso.c, line 1287
• tools/perf/util/map.c, 3 times
• tools/perf/util/namespaces.c, 2 times
• tools/perf/util/symbol.c, line 2618
• tools/perf/util/thread.c, line 67
• tools/perf/util/thread_map.c, 6 times
• virt/kvm/kvm_main.c, line 921