Defined in 8 files as a prototype:

• arch/arc/include/asm/highmem.h, line 35 (as a prototype)
• arch/arm/include/asm/highmem.h, line 68 (as a prototype)
• arch/csky/include/asm/highmem.h, line 38 (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 13 files as a function:

• arch/arc/mm/highmem.c, line 62 (as a function)
• arch/arm/mm/highmem.c, line 52 (as a function)
• arch/csky/mm/highmem.c, line 39 (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 56 (as a function)
• arch/x86/mm/highmem_32.c, line 56 (as a function)
• arch/xtensa/mm/highmem.c, line 40 (as a function)
• include/linux/highmem.h, line 91 (as a function)
• tools/testing/scatterlist/linux/mm.h, line 85 (as a function)

Referenced in 250 files:

• arch/arc/mm/cache.c, 2 times
• arch/arc/mm/highmem.c, line 81
• arch/arm/include/asm/kvm_mmu.h, line 303
• 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 212
• arch/arm/mm/highmem.c, line 97
• arch/arm/probes/uprobes/core.c, line 116
• arch/arm64/kernel/probes/uprobes.c, line 17
• arch/csky/abiv2/cacheflush.c, line 22
• arch/csky/mm/dma-mapping.c, line 32
• arch/csky/mm/highmem.c, line 60
• arch/microblaze/include/asm/pgtable.h, line 466
• arch/mips/kernel/uprobes.c, line 233
• arch/mips/mm/c-r4k.c, line 697
• arch/mips/mm/cache.c, 2 times
• arch/mips/mm/dma-noncoherent.c, line 104
• arch/mips/mm/highmem.c, line 68
• arch/mips/mm/init.c, 2 times
• arch/nds32/kernel/dma.c, line 35
• arch/nds32/mm/cacheflush.c, 3 times
• arch/nds32/mm/highmem.c, line 62
• arch/parisc/include/asm/cacheflush.h, 2 times
• arch/powerpc/include/asm/book3s/32/pgtable.h, line 370
• arch/powerpc/include/asm/nohash/32/pgtable.h, line 376
• arch/powerpc/kvm/book3s_pr.c, line 677
• arch/powerpc/kvm/e500_mmu_host.c, line 708
• arch/powerpc/mm/dma-noncoherent.c, line 71
• arch/powerpc/mm/hugetlbpage.c, line 681
• arch/powerpc/mm/mem.c, line 505
• arch/sh/mm/cache-sh4.c, line 248
• arch/sh/mm/cache.c, 3 times
• arch/sparc/kernel/uprobes.c, line 34
• arch/sparc/mm/highmem.c, line 90
• arch/sparc/mm/init_64.c, 4 times
• arch/um/kernel/skas/uaccess.c, line 81
• arch/x86/include/asm/pgtable_32.h, line 50
• arch/x86/kvm/mmu/paging_tmpl.h, line 157
• arch/x86/kvm/svm.c, line 1927
• arch/x86/lib/usercopy_64.c, line 205
• arch/x86/mm/highmem_32.c, line 60
• arch/xtensa/kernel/pci-dma.c, line 37
• 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 171
• block/bio.c, 2 times
• block/bounce.c, 2 times
• block/t10-pi.c, 2 times
• crypto/ahash.c, line 52
• crypto/async_tx/async_memcpy.c, 2 times
• crypto/shash.c, line 305
• crypto/skcipher.c, line 54
• drivers/android/binder_alloc.c, line 1153
• drivers/ata/libata-sff.c, 2 times
• drivers/block/aoe/aoecmd.c, line 1031
• drivers/block/brd.c, 5 times
• drivers/block/drbd/drbd_bitmap.c, 2 times
• drivers/block/drbd/drbd_worker.c, 4 times
• drivers/block/loop.c, 2 times
• drivers/block/null_blk_main.c, 7 times
• drivers/block/xen-blkback/blkback.c, line 983
• drivers/block/xen-blkfront.c, 5 times
• drivers/block/zram/zram_drv.c, 10 times
• drivers/char/virtio_console.c, line 895
• drivers/crypto/caam/error.c, line 30
• drivers/crypto/hifn_795x.c, 2 times
• drivers/dma-buf/heaps/cma_heap.c, line 78
• drivers/edac/edac_mc.c, line 842
• drivers/gpu/drm/drm_cache.c, 2 times
• drivers/gpu/drm/gma500/mmu.c, 6 times
• drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c, line 993
• drivers/gpu/drm/i915/gem/i915_gem_phys.c, 2 times
• drivers/gpu/drm/i915/gem/i915_gem_shmem.c, line 396
• drivers/gpu/drm/i915/gem/selftests/huge_pages.c, line 999
• drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c, 2 times
• drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c, 2 times
• drivers/gpu/drm/i915/gt/intel_gtt.c, line 299
• drivers/gpu/drm/i915/gt/intel_gtt.h, line 525
• drivers/gpu/drm/i915/gt/intel_lrc.c, line 3321
• drivers/gpu/drm/i915/gt/intel_ppgtt.c, line 69
• drivers/gpu/drm/i915/gt/intel_renderstate.c, line 81
• drivers/gpu/drm/i915/i915_cmd_parser.c, line 1180
• drivers/gpu/drm/ttm/ttm_bo_util.c, line 286
• drivers/gpu/drm/vmwgfx/vmwgfx_mob.c, line 519
• drivers/ide/ide-taskfile.c, line 252
• drivers/infiniband/sw/siw/siw_qp_rx.c, line 56
• drivers/md/bcache/debug.c, line 130
• drivers/md/dm-crypt.c, 6 times
• drivers/md/dm-integrity.c, 2 times
• drivers/md/dm-log-writes.c, 4 times
• drivers/md/dm-verity-target.c, line 426
• 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 48
• drivers/memstick/host/jmb38x_ms.c, line 327
• drivers/memstick/host/tifm_ms.c, line 211
• drivers/mmc/host/au1xmmc.c, 2 times
• drivers/mmc/host/bcm2835.c, line 1080
• drivers/mmc/host/sdhci.c, line 666
• drivers/mmc/host/tifm_sd.c, 4 times
• drivers/mmc/host/tmio_mmc.h, line 216
• drivers/mmc/host/wbsd.c, line 268
• drivers/net/ethernet/intel/e1000/e1000_main.c, line 4230
• drivers/net/ethernet/intel/e1000e/netdev.c, 2 times
• drivers/net/ethernet/sfc/tx.c, line 212
• drivers/net/ethernet/sun/cassini.c, line 92
• drivers/net/ethernet/sun/sunvnet_common.c, line 1088
• drivers/net/thunderbolt.c, line 1008
• drivers/nvdimm/blk.c, 2 times
• drivers/nvdimm/btt.c, 4 times
• drivers/nvdimm/pmem.c, 2 times
• drivers/scsi/arcmsr/arcmsr_hba.c, 2 times
• drivers/scsi/bnx2fc/bnx2fc_fcoe.c, line 349
• drivers/scsi/csiostor/csio_scsi.c, line 1528
• drivers/scsi/cxgbi/libcxgbi.c, line 2010
• drivers/scsi/fcoe/fcoe.c, line 1531
• drivers/scsi/fcoe/fcoe_transport.c, line 325
• drivers/scsi/gdth.c, line 1855
• drivers/scsi/ips.c, line 1501
• drivers/scsi/isci/request.c, 4 times
• drivers/scsi/libfc/fc_fcp.c, line 695
• drivers/scsi/libfc/fc_libfc.c, line 132
• drivers/scsi/libiscsi_tcp.c, line 136
• drivers/scsi/megaraid.c, line 663
• drivers/scsi/mvsas/mv_sas.c, line 1784
• drivers/scsi/qedf/qedf_main.c, line 1104
• drivers/scsi/scsi_lib.c, line 2894
• drivers/staging/android/ion/ion_cma_heap.c, line 51
• drivers/staging/unisys/visorhba/visorhba_main.c, line 875
• 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 1842
• fs/affs/file.c, line 527
• fs/aio.c, 7 times
• fs/btrfs/compression.c, 3 times
• fs/btrfs/extent_io.c, 4 times
• fs/btrfs/file-item.c, line 511
• fs/btrfs/inode.c, 4 times
• fs/btrfs/lzo.c, line 470
• fs/btrfs/scrub.c, 7 times
• fs/btrfs/zlib.c, 2 times
• fs/btrfs/zstd.c, 2 times
• fs/ceph/addr.c, line 1643
• fs/ceph/mds_client.c, 2 times
• fs/ceph/xattr.c, line 1250
• fs/cifs/file.c, line 3435
• fs/cifs/smbdirect.c, line 2004
• fs/dax.c, line 702
• fs/ecryptfs/mmap.c, line 127
• fs/ecryptfs/read_write.c, line 143
• fs/erofs/data.c, 2 times
• fs/erofs/decompressor.c, 7 times
• fs/erofs/namei.c, 2 times
• fs/erofs/xattr.c, 5 times
• fs/erofs/zmap.c, 3 times
• fs/erofs/zpvec.h, line 81
• fs/exec.c, line 1616
• fs/ext2/dir.c, line 619
• fs/ext4/inline.c, 3 times
• fs/ext4/verity.c, 2 times
• fs/f2fs/inline.c, 2 times
• fs/f2fs/super.c, 2 times
• fs/f2fs/verity.c, 2 times
• fs/fuse/dev.c, 2 times
• fs/fuse/file.c, line 2852
• fs/fuse/readdir.c, line 79
• fs/gfs2/aops.c, 2 times
• fs/gfs2/lops.c, 3 times
• fs/gfs2/quota.c, line 751
• fs/hfsplus/xattr.c, line 227
• fs/iomap/buffered-io.c, 2 times
• fs/jbd2/commit.c, 2 times
• fs/jbd2/journal.c, 3 times
• fs/jbd2/transaction.c, line 905
• fs/minix/dir.c, line 330
• fs/nfs/dir.c, 2 times
• fs/nfs/nfs4proc.c, line 328
• fs/nilfs2/alloc.c, line 817
• fs/nilfs2/cpfile.c, 21 times
• fs/nilfs2/dat.c, 9 times
• fs/nilfs2/dir.c, line 596
• fs/nilfs2/ifile.c, line 118
• fs/nilfs2/mdt.c, line 50
• fs/nilfs2/page.c, 2 times
• fs/nilfs2/recovery.c, line 484
• fs/nilfs2/segbuf.c, line 217
• 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/orangefs/inode.c, line 371
• fs/orangefs/orangefs-bufmap.c, line 550
• fs/read_write.c, 2 times
• fs/reiserfs/stree.c, line 1335
• fs/reiserfs/tail_conversion.c, line 156
• fs/squashfs/file.c, 2 times
• fs/squashfs/file_direct.c, line 105
• fs/squashfs/page_actor.c, 2 times
• fs/squashfs/symlink.c, line 80
• fs/ubifs/file.c, line 1054
• fs/udf/file.c, 2 times
• fs/udf/inode.c, 2 times
• fs/verity/verify.c, line 46
• include/crypto/scatterwalk.h, line 73
• include/linux/bio.h, line 541
• include/linux/highmem.h, 9 times
• kernel/bpf/stackmap.c, line 261
• kernel/debug/kdb/kdb_support.c, line 387
• kernel/dma/swiotlb.c, line 426
• kernel/events/uprobes.c, 3 times
• kernel/power/snapshot.c, 7 times
• lib/iov_iter.c, 13 times
• lib/scatterlist.c, line 778
• mm/ksm.c, line 1026
• mm/memory.c, 2 times
• mm/mempool.c, 2 times
• mm/page_poison.c, 2 times
• mm/shmem.c, line 2337
• mm/swapfile.c, 8 times
• mm/userfaultfd.c, line 73
• mm/util.c, 2 times
• mm/vmalloc.c, 2 times
• mm/zsmalloc.c, 16 times
• mm/zswap.c, 5 times
• net/appletalk/ddp.c, line 955
• net/core/skbuff.c, 7 times
• net/ipv4/esp4.c, line 504
• net/ipv6/esp6.c, line 262
• net/rds/ib_recv.c, line 809
• net/rds/info.c, line 122
• net/sunrpc/auth_gss/gss_krb5_wrap.c, line 85
• net/sunrpc/socklib.c, line 119
• net/sunrpc/xdr.c, 5 times
• net/sunrpc/xprtrdma/rpc_rdma.c, line 1100
• security/tomoyo/domain.c, line 930
• virt/kvm/kvm_main.c, line 1879