Defined in 9 files as a prototype:

• Documentation/ABI/removed/sysfs-mce, line 52 (as a prototype)
• Documentation/ABI/testing/debugfs-ideapad, line 228 (as a prototype)
• Documentation/ABI/testing/sysfs-bus-iio-adc-ad7280a, line 233 (as a prototype)
• Documentation/ABI/testing/sysfs-bus-mmc, line 54 (as a prototype)
• Documentation/ABI/testing/sysfs-class-power-surface, line 255 (as a prototype)
• Documentation/ABI/testing/sysfs-driver-jz4780-efuse, line 271 (as a prototype)
• Documentation/ABI/testing/sysfs-kernel-slab, line 56 (as a prototype)
• Documentation/RCU/Design/Data-Structures/blkd_task.svg, line 124 (as a prototype)
• Documentation/admin-guide/device-mapper/statistics.rst, line 128 (as a prototype)

Referenced in 110 files:

• arch/alpha/boot/tools/objstrip.c, line 118
• arch/arm/boot/dts/broadcom/bcm2835-rpi-common.dtsi, 2 times
• arch/arm/boot/dts/qcom/qcom-mdm9615-wp8548-mangoh-green.dts, line 155
• arch/arm/crypto/Makefile, 2 times
• arch/arm/vdso/vdsomunge.c, line 142
• arch/arm64/kvm/hyp/nvhe/gen-hyprel.c, line 259
• arch/mips/include/asm/checksum.h, 2 times
• arch/mips/tools/loongson3-llsc-check.c, line 257
• arch/mips/vdso/genvdso.c, line 122
• arch/powerpc/platforms/pseries/eeh_pseries.c, line 158
• arch/riscv/kernel/reset.c, line 250
• arch/s390/include/asm/atomic.h, line 46
• arch/s390/include/uapi/asm/signal.h, line 114
• arch/sh/include/asm/io_trapped.h, line 237
• arch/x86/boot/tools/build.c, line 215
• arch/x86/kvm/i8254.h, line 251
• drivers/crypto/hisilicon/qm_common.h, 2 times
• drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_proto.c, line 237
• drivers/gpu/drm/amd/include/amd_pcie.h, line 251
• drivers/gpu/drm/amd/include/asic_reg/sdma0/sdma0_4_0_default.h, line 252
• drivers/gpu/drm/drm_encoder_slave.c, line 167
• drivers/gpu/drm/nouveau/include/nvhw/class/cl006c.h, line 167
• drivers/gpu/drm/nouveau/nvkm/subdev/vfn/gv100.c, line 497
• drivers/gpu/drm/tidss/tidss_dispc_regs.h, line 157
• drivers/infiniband/hw/mana/qp.c, line 115
• drivers/interconnect/qcom/sc7280.h, 2 times
• drivers/mcb/mcb-lpc.c, 2 times
• drivers/media/dvb-frontends/stv0900.h, line 158
• drivers/media/tuners/tuner-simple.h, line 166
• drivers/net/ethernet/amd/au1000_eth.c, line 144
• drivers/net/ethernet/freescale/dpaa/Makefile, line 144
• drivers/net/ethernet/marvell/prestera/prestera_switchdev.h, line 144
• drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.h, line 166
• drivers/net/ethernet/seeq/ether3.h, line 423
• drivers/net/wireless/broadcom/b43legacy/radio.c, line 148
• drivers/net/wireless/intersil/p54/lmac.h, line 144
• drivers/s390/block/dasd_erp.c, 2 times
• drivers/scsi/aic7xxx/aic79xx_core.c, 4 times
• drivers/scsi/aic94xx/aic94xx_sas.h, line 423
• drivers/scsi/qedf/qedf_fip.c, line 437
• drivers/spi/spi-lantiq-ssc.c, 4 times
• drivers/tty/serial/lantiq.c, 2 times
• drivers/usb/gadget/udc/bdc/bdc_ep.c, line 153
• drivers/video/fbdev/aty/radeon_monitor.c, 2 times
• fs/btrfs/rcu-string.h, line 437
• fs/stat.c, line 374
• include/crypto/aes.h, 2 times
• include/dt-bindings/reset/altr,rst-mgr-a10sr.h, 2 times
• include/linux/firmware/xlnx-event-manager.h, line 492
• include/linux/nfs3.h, 2 times
• include/uapi/asm-generic/termbits-common.h, 2 times
• net/netfilter/nft_reject_inet.c, 2 times
• net/nfc/llcp_core.c, line 501
• samples/bpf/test_lru_dist.c, 2 times
• samples/landlock/sandboxer.c, line 121
• scripts/asn1_compiler.c, line 600
• scripts/basic/fixdep.c, line 226
• scripts/insert-sys-cert.c, 2 times
• scripts/kconfig/confdata.c, 2 times
• scripts/mod/modpost.c, 3 times
• scripts/recordmcount.c, line 191
• scripts/sorttable.c, line 92
• scripts/unifdef.c, line 332
• sound/pci/ice1712/ice1724.c, 2 times
• sound/soc/codecs/rt715-sdw.h, line 486
• sound/soc/intel/boards/hda_dsp_common.h, line 486
• tools/bootconfig/main.c, 4 times
• tools/bpf/bpf_dbg.c, line 955
• tools/bpf/bpf_jit_disasm.c, line 139
• tools/build/fixdep.c, line 133
• tools/firmware/ihex2fw.c, line 107
• tools/mm/page_owner_sort.c, line 808
• tools/perf/builtin-mem.c, line 507
• tools/perf/builtin-report.c, line 1482
• tools/perf/builtin-script.c, 2 times
• tools/perf/builtin-stat.c, line 2418
• tools/perf/perf.c, line 331
• tools/perf/trace/beauty/sockaddr.sh, 2 times
• tools/perf/util/data-convert-json.c, line 268
• tools/perf/util/data.c, 3 times
• tools/perf/util/dso.c, line 1068
• tools/perf/util/header.c, line 3497
• tools/perf/util/pmu.c, line 317
• tools/perf/util/probe-file.c, line 976
• tools/perf/util/srccode.c, line 114
• tools/perf/util/symbol-minimal.c, line 237
• tools/perf/util/zlib.c, line 36
• tools/power/acpi/tools/pfrut/pfrut.c, line 333
• tools/testing/selftests/bpf/prog_tests/d_path.c, 7 times
• tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c, line 487
• tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c, line 148
• tools/testing/selftests/cgroup/cgroup_util.c, line 480
• tools/testing/selftests/exec/execveat.c, line 146
• tools/testing/selftests/kvm/x86_64/kvm_clock_test.c, line 150
• tools/testing/selftests/landlock/fs_test.c, line 1835
• tools/testing/selftests/memfd/memfd_test.c, 3 times
• tools/testing/selftests/net/af_unix/diag_uid.c, line 60
• tools/testing/selftests/net/mptcp/mptcp_connect.c, line 817
• tools/testing/selftests/net/tls.c, 2 times
• tools/testing/selftests/nsfs/owner.c, line 64
• tools/testing/selftests/nsfs/pidns.c, line 67
• tools/testing/selftests/pidfd/pidfd_setns_test.c, 2 times
• tools/testing/selftests/proc/fd-002-posix-eq.c, 3 times
• tools/testing/selftests/proc/proc-pid-vm.c, line 337
• tools/testing/selftests/splice/splice_read.c, line 34
• tools/testing/selftests/timens/procfs.c, 2 times
• tools/testing/selftests/timens/timens.c, 2 times
• tools/testing/selftests/x86/lam.c, line 584
• tools/testing/vsock/vsock_diag_test.c, line 117
• usr/gen_init_cpio.c, line 344