Defined in 2 files as a macro:

• include/linux/log2.h, line 191 (as a macro)
• tools/include/linux/log2.h, line 168 (as a macro)

Documented in 2 files:

• include/linux/log2.h, line 183
• tools/include/linux/log2.h, line 160

Referenced in 55 files:

• drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c, line 473
• drivers/gpu/drm/i915/gem/selftests/huge_pages.c
  • line 187
  • line 1162
  • line 1301
• drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c, line 505
• drivers/gpu/drm/i915/i915_buddy.c, line 147
• drivers/gpu/drm/i915/i915_vma.c, line 698
• drivers/gpu/drm/i915/selftests/intel_memory_region.c
  • line 387
  • line 419
  • line 776
• drivers/gpu/drm/nouveau/dispnv04/arb.c, line 180
• drivers/hwtracing/coresight/coresight-stm.c, line 434
• drivers/hwtracing/intel_th/sth.c, line 81
• drivers/infiniband/core/umem.c, line 135
• drivers/infiniband/hw/hfi1/init.c
  • line 1911
  • line 2000
• drivers/infiniband/hw/hfi1/tid_rdma.c
  • line 930
  • line 985
• drivers/infiniband/hw/hfi1/user_exp_rcv.c, line 607
• drivers/md/bcache/bset.c
  • line 478
  • line 479
  • line 492
  • line 709
• drivers/md/dm-snap.c
  • line 858
  • line 899
• drivers/md/dm-thin.c, line 4049
• drivers/misc/eeprom/at24.c, line 848
• drivers/net/ethernet/amazon/ena/ena_ethtool.c
  • line 478
  • line 482
• drivers/net/ethernet/amazon/ena/ena_netdev.c
  • line 4153
  • line 4154
  • line 4161
  • line 4162
• drivers/net/ethernet/aquantia/atlantic/aq_nic.c, line 78
• drivers/net/ethernet/broadcom/bnx2.c, line 6346
• drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
  • line 502
  • line 503
• drivers/net/ethernet/cavium/thunder/nicvf_main.c, line 392
• drivers/net/ethernet/ethoc.c
  • line 985
  • line 1136
• drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
  • line 63
  • line 94
• drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
  • line 1220
  • line 1258
• drivers/net/ethernet/mellanox/mlx4/en_rx.c
  • line 201
  • line 259
• drivers/net/ethernet/mellanox/mlx4/fw.c
  • line 495
  • line 503
• drivers/net/ethernet/myricom/myri10ge/myri10ge.c, line 3687
• drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
  • line 635
  • line 770
  • line 774
• drivers/net/ethernet/sfc/mcdi_filters.c, line 1942
• drivers/net/vmxnet3/vmxnet3_drv.c
  • line 3386
  • line 3394
  • line 3665
• drivers/net/wireguard/noise.c, line 476
• drivers/ntb/hw/mscc/ntb_hw_switchtec.c
  • line 1207
  • line 1217
• drivers/pci/controller/pci-mvebu.c
  • line 705
  • line 708
• drivers/scsi/be2iscsi/be_main.c
  • line 2511
  • line 2512
• drivers/scsi/bnx2i/bnx2i_hwi.c
  • line 56
  • line 59
• drivers/scsi/libiscsi.c, line 2678
• drivers/scsi/megaraid/megaraid_sas_fusion.c, line 1845
• drivers/staging/greybus/sdio.c, line 141
• drivers/tty/serial/8250/8250_lpss.c, line 86
• drivers/tty/serial/8250/8250_mid.c, line 222
• drivers/usb/host/ehci-q.c, line 861
• drivers/usb/host/xhci-mem.c, line 1478
• drivers/video/fbdev/amba-clcd.c, line 724
• fs/pstore/ram.c
  • line 749
  • line 751
  • line 753
  • line 755
• fs/xfs/xfs_iomap.c, line 473
• lib/kfifo.c, line 72
• lib/rhashtable.c, line 1037
• mm/memory.c
  • line 3916
  • line 3934
• mm/page_alloc.c, line 6584
• mm/percpu.c, line 2318
• net/sctp/protocol.c, line 1609
• sound/core/oss/pcm_oss.c
  • line 698
  • line 744
• tools/perf/util/evlist.c, line 847