Defined in 7 files as a prototype:

• arch/arc/include/asm/highmem.h, line 39 (as a prototype)
• arch/arm/include/asm/highmem.h, line 68 (as a prototype)
• arch/mips/include/asm/highmem.h, line 54 (as a prototype)
• arch/nds32/include/asm/highmem.h, line 59 (as a prototype)
• arch/sparc/include/asm/highmem.h, line 72 (as a prototype)
• arch/x86/include/asm/highmem.h, line 68 (as a prototype)
• arch/xtensa/include/asm/highmem.h, line 95 (as a prototype)

Defined in 12 files as a function:

• arch/arc/mm/highmem.c, line 66 (as a function)
• arch/arm/mm/highmem.c, line 55 (as a function)
• arch/microblaze/include/asm/highmem.h, line 75 (as a function)
• arch/mips/mm/highmem.c, line 47 (as a function)
• arch/nds32/mm/highmem.c, line 35 (as a function)
• arch/parisc/include/asm/cacheflush.h, line 118 (as a function)
• arch/powerpc/include/asm/highmem.h, line 83 (as a function)
• arch/sparc/mm/highmem.c, line 52 (as a function)
• arch/x86/mm/highmem_32.c, line 55 (as a function)
• arch/xtensa/mm/highmem.c, line 40 (as a function)
• include/linux/highmem.h, line 67 (as a function)
• tools/testing/scatterlist/linux/mm.h, line 85 (as a function)

Referenced in 238 files:

• arch/arc/mm/cache.c, 2 times
• arch/arc/mm/highmem.c, line 85
• arch/arm/include/asm/kvm_mmu.h, line 259
• arch/arm/include/asm/pgtable.h, line 200
• arch/arm/mm/copypage-fa.c, 3 times
• arch/arm/mm/copypage-feroceon.c, 3 times
• arch/arm/mm/copypage-v4mc.c, 2 times
• arch/arm/mm/copypage-v4wb.c, 3 times
• arch/arm/mm/copypage-v4wt.c, 3 times
• arch/arm/mm/copypage-v6.c, 3 times
• arch/arm/mm/copypage-xsc3.c, 3 times
• arch/arm/mm/copypage-xscale.c, 2 times
• arch/arm/mm/dma-mapping.c, 2 times
• arch/arm/mm/flush.c, line 216
• arch/arm/mm/highmem.c, line 100
• arch/arm/probes/uprobes/core.c, line 119
• arch/arm64/kernel/probes/uprobes.c, line 20
• arch/microblaze/include/asm/pgtable.h, line 496
• arch/mips/kernel/uprobes.c, line 236
• arch/mips/mm/c-r4k.c, 2 times
• arch/mips/mm/cache.c, 2 times
• arch/mips/mm/dma-default.c, line 255
• arch/mips/mm/highmem.c, line 68
• arch/mips/mm/init.c, 2 times
• arch/nds32/kernel/dma.c, line 404
• arch/nds32/mm/cacheflush.c, line 44
• arch/nds32/mm/highmem.c, line 62
• arch/parisc/include/asm/cacheflush.h, 2 times
• arch/powerpc/include/asm/book3s/32/pgtable.h, line 284
• arch/powerpc/include/asm/nohash/32/pgtable.h, line 327
• arch/powerpc/kvm/book3s_pr.c, line 496
• arch/powerpc/kvm/e500_mmu_host.c, line 711
• arch/powerpc/mm/dma-noncoherent.c, line 367
• arch/powerpc/mm/hugetlbpage.c, line 745
• arch/powerpc/mm/mem.c, line 437
• arch/sh/mm/cache-sh4.c, line 248
• arch/sh/mm/cache.c, 3 times
• arch/sparc/kernel/uprobes.c, line 47
• arch/sparc/mm/highmem.c, line 86
• arch/sparc/mm/init_64.c, 4 times
• arch/um/kernel/skas/uaccess.c, line 72
• arch/x86/include/asm/pgtable_32.h, line 54
• arch/x86/kvm/hyperv.c, 2 times
• arch/x86/kvm/paging_tmpl.h, line 148
• arch/x86/kvm/svm.c, line 1834
• arch/x86/kvm/x86.c, line 5171
• arch/x86/lib/usercopy_64.c, line 204
• arch/x86/mm/highmem_32.c, line 59
• arch/xtensa/kernel/pci-dma.c, line 42
• arch/xtensa/mm/cache.c, line 242
• arch/xtensa/mm/highmem.c, line 60
• arch/xtensa/platforms/iss/simdisk.c, line 112
• block/bio-integrity.c, line 208
• block/bio.c, 2 times
• block/blk-zoned.c, line 198
• block/bounce.c, 2 times
• crypto/ahash.c, line 55
• crypto/async_tx/async_memcpy.c, 2 times
• crypto/shash.c, line 299
• crypto/skcipher.c, line 59
• drivers/ata/libata-sff.c, 2 times
• drivers/block/brd.c, 5 times
• drivers/block/drbd/drbd_bitmap.c, 2 times
• drivers/block/drbd/drbd_worker.c, line 1108
• drivers/block/loop.c, 2 times
• drivers/block/null_blk.c, 6 times
• drivers/block/xen-blkback/blkback.c, line 974
• drivers/block/xen-blkfront.c, 5 times
• drivers/block/zram/zram_drv.c, 10 times
• drivers/char/virtio_console.c, line 909
• drivers/crypto/caam/error.c, line 30
• drivers/crypto/hifn_795x.c, 2 times
• drivers/edac/edac_mc.c, line 856
• drivers/gpu/drm/drm_cache.c, 2 times
• drivers/gpu/drm/gma500/mmu.c, 6 times
• drivers/gpu/drm/i915/gvt/scheduler.c, line 512
• drivers/gpu/drm/i915/i915_cmd_parser.c, line 1106
• drivers/gpu/drm/i915/i915_gem.c, 4 times
• drivers/gpu/drm/i915/i915_gem_execbuffer.c, line 954
• drivers/gpu/drm/i915/i915_gem_gtt.c, 2 times
• drivers/gpu/drm/i915/i915_gem_render_state.c, line 91
• drivers/gpu/drm/i915/intel_lrc.c, line 1550
• drivers/gpu/drm/i915/selftests/huge_pages.c, line 1022
• drivers/gpu/drm/i915/selftests/i915_gem_coherency.c, 2 times
• drivers/gpu/drm/i915/selftests/i915_gem_context.c, 2 times
• drivers/gpu/drm/i915/selftests/mock_dmabuf.c, line 101
• drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c, line 104
• drivers/gpu/drm/ttm/ttm_bo_util.c, line 284
• drivers/gpu/drm/vmwgfx/vmwgfx_mob.c, line 518
• drivers/ide/ide-taskfile.c, line 255
• drivers/lightnvm/pblk-read.c, 2 times
• drivers/md/bcache/debug.c, line 125
• drivers/md/dm-crypt.c, 4 times
• drivers/md/dm-integrity.c, 2 times
• drivers/md/dm-log-writes.c, 4 times
• drivers/md/dm-verity-target.c, line 410
• drivers/md/dm.c, line 1161
• drivers/md/md-bitmap.c, 10 times
• drivers/md/md-cluster.c, 2 times
• drivers/md/raid5-cache.c, 4 times
• drivers/media/pci/ivtv/ivtv-udma.c, line 60
• drivers/memstick/host/jmb38x_ms.c, line 329
• drivers/memstick/host/tifm_ms.c, line 213
• drivers/mmc/host/bcm2835.c, line 1077
• drivers/mmc/host/sdhci.c, line 548
• drivers/mmc/host/tifm_sd.c, 4 times
• drivers/mmc/host/tmio_mmc.h, line 213
• drivers/net/ethernet/intel/e1000/e1000_main.c, line 4265
• drivers/net/ethernet/intel/e1000e/netdev.c, 2 times
• drivers/net/ethernet/sfc/tx.c, line 278
• drivers/net/ethernet/sun/cassini.c, line 105
• drivers/net/ethernet/sun/sunvnet_common.c, line 1088
• drivers/net/thunderbolt.c, line 1011
• drivers/nvdimm/blk.c, 2 times
• drivers/nvdimm/btt.c, 4 times
• drivers/nvdimm/pmem.c, 2 times
• drivers/nvme/host/pci.c, line 573
• drivers/scsi/arcmsr/arcmsr_hba.c, 2 times
• drivers/scsi/bnx2fc/bnx2fc_fcoe.c, line 353
• drivers/scsi/csiostor/csio_scsi.c, line 1528
• drivers/scsi/cxgbi/libcxgbi.c, line 2005
• drivers/scsi/fcoe/fcoe.c, line 1538
• drivers/scsi/fcoe/fcoe_transport.c, line 337
• drivers/scsi/gdth.c, line 2304
• drivers/scsi/hisi_sas/hisi_sas_v1_hw.c, line 1381
• drivers/scsi/hisi_sas/hisi_sas_v2_hw.c, line 2493
• drivers/scsi/hisi_sas/hisi_sas_v3_hw.c, line 1649
• drivers/scsi/ips.c, line 1505
• drivers/scsi/isci/request.c, 4 times
• drivers/scsi/libfc/fc_fcp.c, line 707
• drivers/scsi/libfc/fc_libfc.c, line 144
• drivers/scsi/libiscsi_tcp.c, line 138
• drivers/scsi/megaraid.c, line 668
• drivers/scsi/mvsas/mv_sas.c, line 1801
• drivers/scsi/qedf/qedf_main.c, line 934
• drivers/scsi/scsi_lib.c, line 3356
• drivers/scsi/sd_dif.c, 2 times
• drivers/staging/android/ion/ion_cma_heap.c, line 51
• drivers/staging/lustre/lustre/llite/rw26.c, 3 times
• drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c, line 453
• drivers/staging/unisys/visorhba/visorhba_main.c, line 889
• drivers/target/target_core_sbc.c, 12 times
• drivers/target/target_core_user.c, 4 times
• drivers/target/tcm_fc/tfc_io.c, 2 times
• drivers/vhost/vhost.c, line 1658
• fs/affs/file.c, line 527
• fs/afs/mntpt.c, line 137
• fs/aio.c, 7 times
• fs/btrfs/compression.c, 3 times
• fs/btrfs/extent_io.c, 4 times
• fs/btrfs/file-item.c, 2 times
• fs/btrfs/inode.c, 4 times
• fs/btrfs/ioctl.c, 2 times
• fs/btrfs/lzo.c, line 403
• fs/btrfs/scrub.c, 7 times
• fs/btrfs/zlib.c, 2 times
• fs/btrfs/zstd.c, 2 times
• fs/ceph/addr.c, line 1648
• fs/ceph/mds_client.c, line 3193
• fs/cifs/file.c, line 2977
• fs/cifs/smbdirect.c, line 2020
• fs/dax.c, line 567
• fs/ecryptfs/mmap.c, line 141
• fs/ecryptfs/read_write.c, line 157
• fs/exec.c, line 1608
• fs/exofs/dir.c, line 588
• fs/ext2/dir.c, line 642
• fs/ext4/inline.c, 3 times
• fs/f2fs/inline.c, 2 times
• fs/f2fs/super.c, 2 times
• fs/fuse/dev.c, 2 times
• fs/fuse/file.c, line 2630
• fs/gfs2/aops.c, 3 times
• fs/gfs2/lops.c, 2 times
• fs/gfs2/quota.c, line 751
• fs/hfsplus/xattr.c, line 233
• fs/jbd2/commit.c, 2 times
• fs/jbd2/journal.c, 3 times
• fs/jbd2/transaction.c, line 800
• fs/minix/dir.c, line 330
• fs/nfs/dir.c, line 174
• fs/nfs/nfs4proc.c, line 301
• fs/nilfs2/alloc.c, line 826
• fs/nilfs2/cpfile.c, 21 times
• fs/nilfs2/dat.c, 9 times
• fs/nilfs2/dir.c, line 605
• fs/nilfs2/ifile.c, line 127
• fs/nilfs2/mdt.c, line 59
• fs/nilfs2/page.c, 2 times
• fs/nilfs2/recovery.c, line 493
• fs/nilfs2/segbuf.c, line 226
• fs/nilfs2/sufile.c, 17 times
• fs/ntfs/aops.c, 5 times
• fs/ntfs/attrib.c, 5 times
• fs/ntfs/file.c, 2 times
• fs/ntfs/super.c, 2 times
• fs/ocfs2/aops.c, 4 times
• fs/ocfs2/symlink.c, line 76
• fs/read_write.c, 2 times
• fs/reiserfs/stree.c, line 1345
• fs/reiserfs/tail_conversion.c, line 156
• fs/squashfs/file.c, 2 times
• fs/squashfs/file_direct.c, 2 times
• fs/squashfs/page_actor.c, 2 times
• fs/squashfs/symlink.c, line 93
• fs/ubifs/file.c, line 1062
• fs/udf/file.c, 2 times
• fs/udf/inode.c, 2 times
• include/crypto/scatterwalk.h, line 91
• include/linux/bio.h, line 559
• include/linux/highmem.h, 9 times
• kernel/debug/kdb/kdb_support.c, line 387
• kernel/events/uprobes.c, 2 times
• kernel/power/snapshot.c, 7 times
• lib/iov_iter.c, 11 times
• lib/scatterlist.c, line 748
• lib/swiotlb.c, line 459
• mm/ksm.c, 3 times
• mm/memory.c, 2 times
• mm/mempool.c, 2 times
• mm/page_poison.c, 2 times
• mm/shmem.c, line 2253
• mm/swapfile.c, 8 times
• mm/userfaultfd.c, line 43
• mm/vmalloc.c, 2 times
• mm/zsmalloc.c, 16 times
• mm/zswap.c, 5 times
• net/appletalk/ddp.c, line 960
• net/core/skbuff.c, 6 times
• net/ipv4/esp4.c, line 305
• net/ipv6/esp6.c, line 273
• net/rds/ib_recv.c, line 804
• net/rds/info.c, line 122
• net/sunrpc/auth_gss/gss_krb5_wrap.c, line 85
• net/sunrpc/socklib.c, line 117
• net/sunrpc/xdr.c, 5 times
• net/sunrpc/xprtrdma/rpc_rdma.c, line 951
• security/tomoyo/domain.c, line 899