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Defined in 1 files as a macro:
Defined in 3 files as a function:
- include/linux/log2.h, line 45 (as a function)
- scripts/dtc/dtc.c, line 26 (as a function)
- tools/include/linux/log2.h, line 38 (as a function)
Referenced in 224 files:
- arch/arc/mm/cache.c, line 1186
- arch/arm/mm/cache-uniphier.c, 2 times
- arch/ia64/mm/hugetlbpage.c, line 180
- arch/powerpc/kvm/book3s.c, line 902
- arch/powerpc/kvm/book3s_hv.c, line 2398
- arch/powerpc/kvm/e500_mmu.c, 2 times
- arch/powerpc/kvm/e500_mmu_host.c, 2 times
- arch/powerpc/mm/hugetlbpage.c, line 568
- arch/powerpc/mm/init-common.c, line 119
- arch/powerpc/platforms/4xx/pci.c, 3 times
- arch/powerpc/platforms/powernv/pci-ioda-tce.c, line 279
- arch/powerpc/platforms/powernv/pci-ioda.c, line 2530
- arch/powerpc/sysdev/fsl_rmu.c, 3 times
- arch/s390/kernel/irq.c, line 224
- arch/s390/pci/pci.c, line 794
- arch/sparc/mm/srmmu.c, line 235
- arch/x86/include/asm/div64.h, line 26
- arch/x86/kernel/hw_breakpoint.c, line 289
- arch/xtensa/kernel/hw_breakpoint.c, line 74
- block/blk-settings.c, line 181
- block/blk-zoned.c, line 398
- crypto/cbc.c, line 64
- drivers/ata/libata-core.c, 2 times
- drivers/base/memory.c, line 718
- drivers/base/regmap/regmap.c, line 778
- drivers/base/swnode.c, line 156
- drivers/block/loop.c, line 1561
- drivers/block/nbd.c, line 1347
- drivers/block/null_blk_main.c, line 1681
- drivers/block/null_blk_zoned.c, line 22
- drivers/block/rbd.c, line 6319
- drivers/block/rsxx/dma.c, line 850
- drivers/bus/mvebu-mbus.c, 2 times
- drivers/clk/clk-divider.c, line 176
- drivers/clk/ti/divider.c, line 141
- drivers/clocksource/timer-cadence-ttc.c, line 252
- drivers/crypto/talitos.c, line 3300
- drivers/dma/qcom/hidma_mgmt.c, 2 times
- drivers/dma/ste_dma40.c, 2 times
- drivers/dma/stm32-mdma.c, 2 times
- drivers/gpio/gpio-mmio.c, line 612
- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c, line 1094
- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c, 2 times
- drivers/gpu/drm/drm_atomic_uapi.c, line 566
- drivers/gpu/drm/drm_blend.c, line 272
- drivers/gpu/drm/drm_gem_vram_helper.c, line 522
- drivers/gpu/drm/drm_mm.c, 2 times
- drivers/gpu/drm/drm_modes.c, line 1705
- drivers/gpu/drm/drm_property.c, line 75
- drivers/gpu/drm/i915/display/intel_cdclk.c, line 2492
- drivers/gpu/drm/i915/display/intel_display.c, 3 times
- drivers/gpu/drm/i915/gem/i915_gem_tiling.c, line 143
- drivers/gpu/drm/i915/gem/selftests/huge_pages.c, 2 times
- drivers/gpu/drm/i915/gt/intel_engine_cs.c, line 503
- drivers/gpu/drm/i915/gt/intel_lrc.c, line 5149
- drivers/gpu/drm/i915/gt/intel_ring.c, line 137
- drivers/gpu/drm/i915/gt/intel_ring.h, line 135
- drivers/gpu/drm/i915/gt/intel_workarounds.c, 3 times
- drivers/gpu/drm/i915/i915_buddy.c, line 104
- drivers/gpu/drm/i915/i915_gem.c, line 212
- drivers/gpu/drm/i915/i915_gem_fence_reg.c, 4 times
- drivers/gpu/drm/i915/i915_gem_gtt.c, line 203
- drivers/gpu/drm/i915/i915_request.c, line 1343
- drivers/gpu/drm/i915/i915_vma.c, 3 times
- drivers/gpu/drm/i915/intel_device_info.c, line 1006
- drivers/gpu/drm/i915/intel_uncore.c, line 1901
- drivers/gpu/drm/i915/selftests/i915_buddy.c, line 65
- drivers/gpu/drm/i915/selftests/i915_syncmap.c, line 523
- drivers/gpu/drm/msm/msm_ringbuffer.c, line 18
- drivers/gpu/drm/nouveau/nouveau_gem.c, line 229
- drivers/gpu/drm/udl/udl_modeset.c, line 242
- drivers/hwmon/adt7462.c, line 1370
- drivers/hwmon/adt7470.c, line 926
- drivers/hwtracing/intel_th/pti.c, line 128
- drivers/i2c/busses/i2c-ocores.c, line 540
- drivers/iio/adc/qcom-spmi-adc5.c, line 198
- drivers/iio/adc/qcom-spmi-vadc.c, line 438
- drivers/iio/adc/qcom-vadc-common.c, line 405
- drivers/iio/chemical/bme680_core.c, line 811
- drivers/iio/pressure/icp10100.c, line 444
- drivers/infiniband/hw/hfi1/init.c, 2 times
- drivers/infiniband/hw/hfi1/sdma.c, line 735
- drivers/infiniband/hw/hfi1/tid_rdma.c, 2 times
- drivers/infiniband/hw/hfi1/user_exp_rcv.c, line 608
- drivers/infiniband/hw/mlx5/qp.c, line 582
- drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c, line 58
- drivers/infiniband/sw/rxe/rxe_mr.c, line 127
- drivers/input/keyboard/cap11xx.c, line 381
- drivers/input/keyboard/pmic8xxx-keypad.c, line 405
- drivers/input/keyboard/qt1050.c, 2 times
- drivers/iommu/amd_iommu.c, 3 times
- drivers/iommu/fsl_pamu_domain.c, line 830
- drivers/iommu/iova.c, line 38
- drivers/irqchip/irq-gic-v3-its.c, line 3230
- drivers/md/bcache/bset.c, 2 times
- drivers/md/bcache/super.c, 2 times
- drivers/md/dm-bufio.c, 2 times
- drivers/md/dm-clone-target.c, line 1668
- drivers/md/dm-crypt.c, line 2682
- drivers/md/dm-dust.c, line 317
- drivers/md/dm-exception-store.c, line 165
- drivers/md/dm-integrity.c, 2 times
- drivers/md/dm-log.c, line 351
- drivers/md/dm-raid.c, 2 times
- drivers/md/dm-table.c, line 1478
- drivers/md/dm-unstripe.c, line 89
- drivers/md/md-bitmap.c, 3 times
- drivers/md/raid0.c, 3 times
- drivers/md/raid10.c, line 3601
- drivers/md/raid5.c, 3 times
- drivers/media/rc/img-ir/img-ir-nec.c, line 69
- drivers/media/rc/img-ir/img-ir-sony.c, line 75
- drivers/memstick/host/tifm_ms.c, line 267
- drivers/misc/eeprom/at24.c, line 622
- drivers/misc/habanalabs/goya/goya.c, line 5162
- drivers/misc/mei/dma-ring.c, line 27
- drivers/mmc/core/core.c, 2 times
- drivers/mmc/host/bcm2835.c, line 1176
- drivers/mmc/host/meson-gx-mmc.c, line 667
- drivers/mmc/host/mmci.c, 2 times
- drivers/mmc/host/tifm_sd.c, line 642
- drivers/mtd/mtdcore.c, 2 times
- drivers/mtd/nand/raw/meson_nand.c, line 1123
- drivers/mtd/sm_ftl.c, 2 times
- drivers/mtd/ubi/build.c, 2 times
- drivers/net/ethernet/brocade/bna/bnad_ethtool.c, 2 times
- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c, 2 times
- drivers/net/ethernet/faraday/ftgmac100.c, 2 times
- drivers/net/ethernet/freescale/gianfar_ethtool.c, 2 times
- drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c, 4 times
- drivers/net/ethernet/intel/i40e/i40e_main.c, 5 times
- drivers/net/ethernet/intel/ice/ice_flow.c, 4 times
- drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c, line 1011
- drivers/net/ethernet/mellanox/mlx4/en_ethtool.c, line 1283
- drivers/net/ethernet/mellanox/mlx4/main.c, line 225
- drivers/net/ethernet/mellanox/mlx4/mr.c, line 918
- drivers/net/ethernet/mellanox/mlxsw/spectrum.c, 2 times
- drivers/net/ethernet/myricom/myri10ge/myri10ge.c, line 2384
- drivers/net/ethernet/netronome/nfp/abm/ctrl.c, 2 times
- drivers/net/ethernet/pensando/ionic/ionic_dev.c, 2 times
- drivers/net/ethernet/pensando/ionic/ionic_ethtool.c, 2 times
- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c, line 4017
- drivers/net/ipa/gsi.c, 3 times
- drivers/net/wireless/ath/ath10k/htt_rx.c, line 764
- drivers/net/wireless/ath/ath10k/spectral.c, 2 times
- drivers/net/wireless/ath/ath5k/qcu.c, 2 times
- drivers/net/wireless/intel/iwlegacy/common.c, line 2946
- drivers/net/wireless/intel/iwlwifi/pcie/tx.c, line 143
- drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c, 2 times
- drivers/nvdimm/bus.c, line 259
- drivers/nvdimm/region_devs.c, line 567
- drivers/nvme/host/core.c, line 2253
- drivers/pci/controller/dwc/pci-meson.c, line 320
- drivers/pci/pci.c, 3 times
- drivers/rapidio/devices/tsi721.c, 4 times
- drivers/rtc/rtc-s3c.c, line 156
- drivers/s390/block/dasd_int.h, line 721
- drivers/scsi/bfa/bfad.c, line 774
- drivers/scsi/bnx2i/bnx2i_hwi.c, 2 times
- drivers/scsi/bnx2i/bnx2i_init.c, line 474
- drivers/scsi/bnx2i/bnx2i_sysfs.c, line 75
- drivers/scsi/libiscsi.c, line 2769
- drivers/scsi/libiscsi_tcp.c, line 1194
- drivers/soc/fsl/qbman/bman_ccsr.c, line 111
- drivers/soc/fsl/qbman/qman_ccsr.c, line 353
- drivers/staging/fwserial/dma_fifo.c, line 63
- drivers/usb/gadget/udc/udc-xilinx.c, line 834
- fs/block_dev.c, line 124
- fs/btrfs/disk-io.c, 3 times
- fs/btrfs/tree-checker.c, line 793
- fs/exfat/super.c, line 358
- fs/ext2/super.c, line 1005
- fs/ext4/super.c, 3 times
- fs/ext4/sysfs.c, line 96
- fs/fat/inode.c, 2 times
- fs/hfs/btree.c, line 96
- fs/hfsplus/btree.c, line 232
- fs/jbd2/revoke.c, line 266
- fs/namespace.c, line 2194
- fs/ntfs/inode.c, line 1548
- fs/ntfs/logfile.c, line 56
- fs/pstore/ram.c, 4 times
- fs/ubifs/super.c, 2 times
- fs/udf/super.c, line 1344
- fs/ufs/super.c, 2 times
- fs/verity/hash_algs.c, 2 times
- fs/verity/open.c, line 66
- fs/xfs/xfs_super.c, line 1326
- include/asm-generic/div64.h, line 228
- include/crypto/ctr.h, line 31
- include/linux/generic-radix-tree.h, 2 times
- include/linux/iommu-helper.h, line 21
- include/linux/log2.h, line 229
- kernel/bpf/arraymap.c, 2 times
- kernel/bpf/btf.c, line 2489
- kernel/bpf/core.c, line 859
- kernel/bpf/verifier.c, 2 times
- kernel/events/core.c, 2 times
- kernel/kcov.c, line 843
- lib/hexdump.c, line 120
- lib/kfifo.c, line 71
- lib/test_hexdump.c, line 84
- mm/cma.c, line 270
- mm/percpu.c, line 1592
- mm/slab_common.c, line 1056
- mm/slob.c, line 487
- mm/vmalloc.c, 2 times
- net/core/sysctl_net_core.c, line 208
- net/ipv4/tcp_cdg.c, line 409
- net/netfilter/ipvs/ip_vs_ctl.c, line 1805
- net/netfilter/nft_payload.c, line 692
- net/sched/cls_u32.c, line 929
- net/sched/sch_sfq.c, line 638
- net/xdp/xdp_umem.c, line 362
- net/xdp/xsk.c, line 505
- scripts/dtc/dtc.c, line 208
- sound/soc/codecs/sta350.c, line 1177
- sound/soc/intel/boards/sof_sdw.c, 2 times
- tools/perf/arch/arm/util/cs-etm.c, line 381
- tools/perf/arch/arm64/util/arm-spe.c, line 109
- tools/perf/arch/x86/util/intel-bts.c, line 209
- tools/perf/arch/x86/util/intel-pt.c, line 764
- tools/perf/util/auxtrace.c, line 188
- tools/perf/util/evlist.c, 3 times