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Searched refs:vm_ops (Results 1 – 110 of 110) sorted by relevance

/linux-4.1.27/fs/kernfs/
Dfile.c333 if (!of->vm_ops) in kernfs_vma_open()
339 if (of->vm_ops->open) in kernfs_vma_open()
340 of->vm_ops->open(vma); in kernfs_vma_open()
351 if (!of->vm_ops) in kernfs_vma_fault()
358 if (of->vm_ops->fault) in kernfs_vma_fault()
359 ret = of->vm_ops->fault(vma, vmf); in kernfs_vma_fault()
372 if (!of->vm_ops) in kernfs_vma_page_mkwrite()
379 if (of->vm_ops->page_mkwrite) in kernfs_vma_page_mkwrite()
380 ret = of->vm_ops->page_mkwrite(vma, vmf); in kernfs_vma_page_mkwrite()
395 if (!of->vm_ops) in kernfs_vma_access()
[all …]
/linux-4.1.27/drivers/media/v4l2-core/
Dvideobuf2-memops.c44 if (vma->vm_ops && vma->vm_ops->open) in vb2_get_vma()
45 vma->vm_ops->open(vma); in vb2_get_vma()
72 if (vma->vm_ops && vma->vm_ops->close) in vb2_put_vma()
73 vma->vm_ops->close(vma); in vb2_put_vma()
Dvideobuf2-vmalloc.c207 vma->vm_ops = &vb2_common_vm_ops; in vb2_vmalloc_mmap()
209 vma->vm_ops->open(vma); in vb2_vmalloc_mmap()
Dvideobuf-vmalloc.c272 vma->vm_ops = &videobuf_vm_ops; in __videobuf_mmap_mapper()
Dvideobuf2-dma-sg.c424 vma->vm_ops = &vb2_common_vm_ops; in vb2_dma_sg_mmap()
426 vma->vm_ops->open(vma); in vb2_dma_sg_mmap()
Dvideobuf-dma-contig.c326 vma->vm_ops = &videobuf_vm_ops; in __videobuf_mmap_mapper()
Dvideobuf2-dma-contig.c217 vma->vm_ops = &vb2_common_vm_ops; in vb2_dc_mmap()
219 vma->vm_ops->open(vma); in vb2_dc_mmap()
Dvideobuf-dma-sg.c635 vma->vm_ops = &videobuf_vm_ops; in __videobuf_mmap_mapper()
/linux-4.1.27/drivers/infiniband/hw/ehca/
Dehca_uverbs.c100 static const struct vm_operations_struct vm_ops = { variable
130 vma->vm_ops = &vm_ops; in ehca_mmap_fw()
156 vma->vm_ops = &vm_ops; in ehca_mmap_queue()
/linux-4.1.27/ipc/
Dshm.c54 const struct vm_operations_struct *vm_ops; member
381 return sfd->vm_ops->fault(vma, vmf); in shm_fault()
390 if (sfd->vm_ops->set_policy) in shm_set_policy()
391 err = sfd->vm_ops->set_policy(vma, new); in shm_set_policy()
402 if (sfd->vm_ops->get_policy) in shm_get_policy()
403 pol = sfd->vm_ops->get_policy(vma, addr); in shm_get_policy()
429 sfd->vm_ops = vma->vm_ops; in shm_mmap()
431 WARN_ON(!sfd->vm_ops->fault); in shm_mmap()
433 vma->vm_ops = &shm_vm_ops; in shm_mmap()
1197 sfd->vm_ops = NULL; in do_shmat()
[all …]
/linux-4.1.27/drivers/gpu/drm/exynos/
Dexynos_drm_gem.c389 if (vma->vm_ops && vma->vm_ops->open) in exynos_gem_get_vma()
390 vma->vm_ops->open(vma); in exynos_gem_get_vma()
409 if (vma->vm_ops && vma->vm_ops->close) in exynos_gem_put_vma()
410 vma->vm_ops->close(vma); in exynos_gem_put_vma()
/linux-4.1.27/drivers/char/agp/
Dfrontend.c600 DBG("client vm_ops=%p", kerninfo.vm_ops); in agp_mmap()
601 if (kerninfo.vm_ops) { in agp_mmap()
602 vma->vm_ops = kerninfo.vm_ops; in agp_mmap()
617 DBG("controller vm_ops=%p", kerninfo.vm_ops); in agp_mmap()
618 if (kerninfo.vm_ops) { in agp_mmap()
619 vma->vm_ops = kerninfo.vm_ops; in agp_mmap()
Dalpha-agp.c189 alpha_bridge->vm_ops = &alpha_core_agp_vm_ops; in alpha_core_agp_setup()
Dagp.h128 const struct vm_operations_struct *vm_ops; member
Dgeneric.c388 info->vm_ops = bridge->vm_ops; in agp_copy_info()
/linux-4.1.27/drivers/staging/lustre/lustre/llite/
Dllite_mmap.c76 if (vma->vm_ops && vma->vm_ops == &ll_file_vm_ops && in our_vma()
485 vma->vm_ops = &ll_file_vm_ops; in ll_file_mmap()
486 vma->vm_ops->open(vma); in ll_file_mmap()
/linux-4.1.27/mm/
Dmemory.c695 vma->vm_ops ? vma->vm_ops->fault : NULL, in print_bad_pte()
757 if (vma->vm_ops && vma->vm_ops->find_special_page) in vm_normal_page()
758 return vma->vm_ops->find_special_page(vma, addr); in vm_normal_page()
1969 ret = vma->vm_ops->page_mkwrite(vma, &vmf); in do_page_mkwrite()
2192 if (vma->vm_ops && vma->vm_ops->pfn_mkwrite) { in wp_pfn_shared()
2202 ret = vma->vm_ops->pfn_mkwrite(vma, &vmf); in wp_pfn_shared()
2234 if (vma->vm_ops && vma->vm_ops->page_mkwrite) { in wp_page_shared()
2754 ret = vma->vm_ops->fault(vma, &vmf); in __do_fault()
2918 vma->vm_ops->map_pages(vma, &vmf); in do_fault_around()
2935 if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) { in do_read_fault()
[all …]
Dmempolicy.c671 vma->vm_ops, vma->vm_file, in vma_replace_policy()
672 vma->vm_ops ? vma->vm_ops->set_policy : NULL); in vma_replace_policy()
678 if (vma->vm_ops && vma->vm_ops->set_policy) { in vma_replace_policy()
679 err = vma->vm_ops->set_policy(vma, new); in vma_replace_policy()
867 if (vma->vm_ops && vma->vm_ops->get_policy) in do_get_mempolicy()
868 pol = vma->vm_ops->get_policy(vma, addr); in do_get_mempolicy()
1550 if (vma->vm_ops && vma->vm_ops->get_policy) { in __get_vma_policy()
1551 pol = vma->vm_ops->get_policy(vma, addr); in __get_vma_policy()
1596 if (vma->vm_ops && vma->vm_ops->get_policy) { in vma_policy_mof()
1599 pol = vma->vm_ops->get_policy(vma, vma->vm_start); in vma_policy_mof()
Dmmap.c274 if (vma->vm_ops && vma->vm_ops->close) in remove_vma()
275 vma->vm_ops->close(vma); in remove_vma()
940 if (vma->vm_ops && vma->vm_ops->close) in is_mergeable_vma()
1492 if (vma->vm_ops && vma->vm_ops->page_mkwrite) in vma_wants_writenotify()
2473 if (new->vm_ops && new->vm_ops->open) in __split_vma()
2474 new->vm_ops->open(new); in __split_vma()
2487 if (new->vm_ops && new->vm_ops->close) in __split_vma()
2488 new->vm_ops->close(new); in __split_vma()
2972 if (new_vma->vm_ops && new_vma->vm_ops->open) in copy_vma()
2973 new_vma->vm_ops->open(new_vma); in copy_vma()
[all …]
Dnommu.c858 if (vma->vm_ops && vma->vm_ops->close) in delete_vma()
859 vma->vm_ops->close(vma); in delete_vma()
1600 if (new->vm_ops && new->vm_ops->open) in split_vma()
1601 new->vm_ops->open(new); in split_vma()
Ddebug.c163 vma->anon_vma, vma->vm_ops, vma->vm_pgoff, in dump_vma()
Dgup.c30 if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault)) in no_page_table()
Dshmem.c884 pvma.vm_ops = NULL; in shmem_swapin()
905 pvma.vm_ops = NULL; in shmem_alloc_page()
1394 vma->vm_ops = &shmem_vm_ops; in shmem_mmap()
3417 vma->vm_ops = &shmem_vm_ops; in shmem_zero_setup()
Dhuge_memory.c2064 if (vma->vm_ops || (vm_flags & VM_NO_THP)) in khugepaged_enter_vma_merge()
2419 if (!vma->anon_vma || vma->vm_ops) in hugepage_vma_check()
Dfilemap.c2100 vma->vm_ops = &generic_file_vm_ops; in generic_file_mmap()
/linux-4.1.27/drivers/gpu/drm/
Ddrm_vm.c510 vma->vm_ops = &drm_vm_dma_ops; in drm_mmap_dma()
606 vma->vm_ops = &drm_vm_ops; in drm_mmap_locked()
625 vma->vm_ops = &drm_vm_ops; in drm_mmap_locked()
637 vma->vm_ops = &drm_vm_shm_ops; in drm_mmap_locked()
641 vma->vm_ops = &drm_vm_sg_ops; in drm_mmap_locked()
Ddrm_gem.c841 vma->vm_ops = dev->driver->gem_vm_ops; in drm_gem_mmap_obj()
/linux-4.1.27/arch/hexagon/kernel/
DMakefile12 obj-y += vm_entry.o vm_events.o vm_switch.o vm_ops.o vm_init_segtable.o
/linux-4.1.27/include/linux/
Dagp_backend.h56 const struct vm_operations_struct *vm_ops; member
Dmm_types.h293 const struct vm_operations_struct *vm_ops; member
Dhuge_mm.h146 if (!vma->anon_vma || vma->vm_ops) in vma_adjust_trans_huge()
Dkernfs.h186 const struct vm_operations_struct *vm_ops; member
/linux-4.1.27/fs/ncpfs/
Dmmap.c122 vma->vm_ops = &ncp_file_mmap; in ncp_mmap()
/linux-4.1.27/drivers/gpu/drm/ttm/
Dttm_bo_vm.c328 vma->vm_ops = &ttm_bo_vm_ops; in ttm_bo_mmap()
358 vma->vm_ops = &ttm_bo_vm_ops; in ttm_fbdev_mmap()
/linux-4.1.27/fs/ext2/
Dfile.c51 vma->vm_ops = &ext2_dax_vm_ops; in ext2_file_mmap()
/linux-4.1.27/virt/kvm/arm/
Dvgic-v2-emul.c565 dist->vm_ops.queue_sgi = vgic_v2_queue_sgi; in vgic_v2_init_emulation()
566 dist->vm_ops.add_sgi_source = vgic_v2_add_sgi_source; in vgic_v2_init_emulation()
567 dist->vm_ops.init_model = vgic_v2_init_model; in vgic_v2_init_emulation()
568 dist->vm_ops.map_resources = vgic_v2_map_resources; in vgic_v2_init_emulation()
Dvgic-v3-emul.c830 dist->vm_ops.queue_sgi = vgic_v3_queue_sgi; in vgic_v3_init_emulation()
831 dist->vm_ops.add_sgi_source = vgic_v3_add_sgi_source; in vgic_v3_init_emulation()
832 dist->vm_ops.init_model = vgic_v3_init_model; in vgic_v3_init_emulation()
833 dist->vm_ops.map_resources = vgic_v3_map_resources; in vgic_v3_init_emulation()
Dvgic.c93 vcpu->kvm->arch.vgic.vm_ops.add_sgi_source(vcpu, irq, source); in add_sgi_source()
98 return vcpu->kvm->arch.vgic.vm_ops.queue_sgi(vcpu, irq); in queue_sgi()
103 return kvm->arch.vgic.vm_ops.map_resources(kvm, vgic); in kvm_vgic_map_resources()
1740 ret = kvm->arch.vgic.vm_ops.init_model(kvm); in vgic_init()
/linux-4.1.27/arch/powerpc/kvm/
Dbook3s_64_vio.c83 vma->vm_ops = &kvm_spapr_tce_vm_ops; in kvm_spapr_tce_mmap()
/linux-4.1.27/fs/nilfs2/
Dfile.c136 vma->vm_ops = &nilfs_file_vm_ops; in nilfs_file_mmap()
/linux-4.1.27/fs/ocfs2/
Dmmap.c190 vma->vm_ops = &ocfs2_file_vm_ops; in ocfs2_mmap()
/linux-4.1.27/drivers/infiniband/hw/ipath/
Dipath_mmap.c118 vma->vm_ops = &ipath_vm_ops; in ipath_mmap()
Dipath_file_ops.c1232 vma->vm_ops = &ipath_file_vm_ops; in mmap_kvaddr()
/linux-4.1.27/drivers/infiniband/hw/qib/
Dqib_mmap.c118 vma->vm_ops = &qib_vm_ops; in qib_mmap()
Dqib_file_ops.c981 vma->vm_ops = &qib_file_vm_ops; in mmap_kvaddr()
/linux-4.1.27/drivers/gpu/drm/qxl/
Dqxl_ttm.c147 ttm_vm_ops = vma->vm_ops; in qxl_mmap()
151 vma->vm_ops = &qxl_ttm_vm_ops; in qxl_mmap()
/linux-4.1.27/drivers/misc/cxl/
Dcontext.c168 vma->vm_ops = &cxl_mmap_vmops; in cxl_context_iomap()
/linux-4.1.27/fs/ramfs/
Dfile-nommu.c269 vma->vm_ops = &generic_file_vm_ops; in ramfs_nommu_mmap()
/linux-4.1.27/drivers/xen/
Dprivcmd.c474 vma->vm_ops != &privcmd_vm_ops) { in privcmd_ioctl_mmap_batch()
619 vma->vm_ops = &privcmd_vm_ops; in privcmd_mmap()
Dgntdev.c666 if (!vma || vma->vm_ops != &gntdev_vmops) in gntdev_ioctl_get_offset_for_vaddr()
805 vma->vm_ops = &gntdev_vmops; in gntdev_mmap()
Dgntalloc.c540 vma->vm_ops = &gntalloc_vmops; in gntalloc_mmap()
/linux-4.1.27/arch/x86/kernel/
Dvsyscall_64.c288 .vm_ops = &gate_vma_ops,
/linux-4.1.27/drivers/video/fbdev/core/
Dfb_defio.c169 vma->vm_ops = &fb_deferred_io_vm_ops; in fb_deferred_io_mmap()
/linux-4.1.27/include/kvm/
Darm_vgic.h252 struct vgic_vm_ops vm_ops; member
/linux-4.1.27/fs/ext4/
Dfile.c244 vma->vm_ops = &ext4_dax_vm_ops; in ext4_file_mmap()
247 vma->vm_ops = &ext4_file_vm_ops; in ext4_file_mmap()
/linux-4.1.27/sound/usb/usx2y/
DusX2Yhwdep.c84 area->vm_ops = &us428ctls_vm_ops; in snd_us428ctls_mmap()
Dus122l.c264 area->vm_ops = &usb_stream_hwdep_vm_ops; in usb_stream_hwdep_mmap()
Dusx2yhwdeppcm.c693 area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; in snd_usX2Y_hwdep_pcm_mmap()
/linux-4.1.27/fs/9p/
Dvfs_file.c493 vma->vm_ops = &v9fs_file_vm_ops; in v9fs_file_mmap()
530 vma->vm_ops = &v9fs_mmap_file_vm_ops; in v9fs_mmap_file_mmap()
/linux-4.1.27/arch/powerpc/platforms/cell/spufs/
Dfile.c335 vma->vm_ops = &spufs_mem_mmap_vmops; in spufs_mem_mmap()
448 vma->vm_ops = &spufs_cntl_mmap_vmops; in spufs_cntl_mmap()
1153 vma->vm_ops = &spufs_signal1_mmap_vmops; in spufs_signal1_mmap()
1291 vma->vm_ops = &spufs_signal2_mmap_vmops; in spufs_signal2_mmap()
1414 vma->vm_ops = &spufs_mss_mmap_vmops; in spufs_mss_mmap()
1476 vma->vm_ops = &spufs_psmap_mmap_vmops; in spufs_psmap_mmap()
1536 vma->vm_ops = &spufs_mfc_mmap_vmops; in spufs_mfc_mmap()
/linux-4.1.27/drivers/char/
Dmspec.c292 vma->vm_ops = &mspec_vm_ops; in mspec_mmap()
Dmem.c342 vma->vm_ops = &mmap_mem_ops; in mmap_mem()
/linux-4.1.27/drivers/gpu/drm/vgem/
Dvgem_drv.c275 vma->vm_ops = obj->dev->driver->gem_vm_ops; in vgem_drm_gem_mmap()
/linux-4.1.27/arch/x86/pci/
Di386.c452 vma->vm_ops = &pci_mmap_ops; in pci_mmap_page_range()
/linux-4.1.27/drivers/uio/
Duio.c625 vma->vm_ops = &uio_logical_vm_ops; in uio_mmap_logical()
649 vma->vm_ops = &uio_physical_vm_ops; in uio_mmap_physical()
/linux-4.1.27/Documentation/filesystems/
Ddax.txt61 VM_MIXEDMAP flag on the VMA, and setting the vm_ops to include handlers
/linux-4.1.27/drivers/gpu/drm/msm/
Dmsm_drv.c863 static const struct vm_operations_struct vm_ops = { variable
903 .gem_vm_ops = &vm_ops,
/linux-4.1.27/fs/proc/
Dtask_mmu.c317 if (vma->vm_ops && vma->vm_ops->name) { in show_map_vma()
318 name = vma->vm_ops->name(vma); in show_map_vma()
Dvmcore.c424 vma->vm_ops = &vmcore_mmap_ops; in mmap_vmcore()
/linux-4.1.27/kernel/
Dfork.c496 if (tmp->vm_ops && tmp->vm_ops->open) in dup_mmap()
497 tmp->vm_ops->open(tmp); in dup_mmap()
Drelay.c110 vma->vm_ops = &relay_file_mmap_ops; in relay_mmap_buf()
/linux-4.1.27/drivers/misc/sgi-gru/
Dgrufile.c119 vma->vm_ops = &gru_vm_ops; in gru_file_mmap()
Dgrufault.c66 if (vma && vma->vm_start <= vaddr && vma->vm_ops == &gru_vm_ops) in gru_find_vma()
/linux-4.1.27/drivers/gpu/drm/radeon/
Dradeon_ttm.c1006 ttm_vm_ops = vma->vm_ops; in radeon_mmap()
1010 vma->vm_ops = &radeon_ttm_vm_ops; in radeon_mmap()
/linux-4.1.27/fs/
Dbinfmt_elf.c1211 if (vma->vm_ops && vma->vm_ops->name && vma->vm_ops->name(vma)) in always_dump_vma()
Daio.c314 vma->vm_ops = &generic_file_vm_ops; in aio_ring_mmap()
/linux-4.1.27/fs/nfs/
Dfile.c224 vma->vm_ops = &nfs_file_vm_ops; in nfs_file_mmap()
/linux-4.1.27/drivers/staging/vme/devices/
Dvme_user.c632 vma->vm_ops = &vme_user_vm_ops; in vme_user_master_mmap()
/linux-4.1.27/drivers/gpu/drm/gma500/
Dframebuffer.c179 vma->vm_ops = &psbfb_vm_ops; in psbfb_mmap()
/linux-4.1.27/sound/core/
Dpcm_native.c3276 area->vm_ops = &snd_pcm_vm_ops_status; in snd_pcm_mmap_status()
3313 area->vm_ops = &snd_pcm_vm_ops_control; in snd_pcm_mmap_control()
3416 area->vm_ops = &snd_pcm_vm_ops_data_fault; in snd_pcm_lib_default_mmap()
3481 area->vm_ops = &snd_pcm_vm_ops_data; in snd_pcm_mmap_data()
/linux-4.1.27/fs/gfs2/
Dfile.c531 vma->vm_ops = &gfs2_vm_ops; in gfs2_mmap()
/linux-4.1.27/fs/hugetlbfs/
Dinode.c113 vma->vm_ops = &hugetlb_vm_ops; in hugetlbfs_file_mmap()
/linux-4.1.27/fs/xfs/
Dxfs_file.c1071 vma->vm_ops = &xfs_file_vm_ops; in xfs_file_mmap()
/linux-4.1.27/drivers/target/
Dtarget_core_user.c744 vma->vm_ops = &tcmu_vm_ops; in tcmu_mmap()
/linux-4.1.27/fs/f2fs/
Dfile.c418 vma->vm_ops = &f2fs_file_vm_ops; in f2fs_file_mmap()
/linux-4.1.27/Documentation/
Dnommu-mmap.txt225 The vm_ops->close() routine will be invoked when the last mapping on a chardev
/linux-4.1.27/drivers/misc/genwqe/
Dcard_dev.c482 vma->vm_ops = &genwqe_vma_ops; in genwqe_mmap()
/linux-4.1.27/drivers/staging/comedi/
Dcomedi_fops.c2214 vma->vm_ops = &comedi_vm_ops; in comedi_mmap()
2217 vma->vm_ops->open(vma); in comedi_mmap()
/linux-4.1.27/fs/ubifs/
Dfile.c1548 vma->vm_ops = &ubifs_file_vm_ops; in ubifs_file_mmap()
/linux-4.1.27/drivers/usb/mon/
Dmon_bin.c1249 vma->vm_ops = &mon_bin_vm_ops; in mon_bin_mmap()
/linux-4.1.27/drivers/media/usb/stkwebcam/
Dstk-webcam.c784 vma->vm_ops = &stk_v4l_vm_ops; in v4l_stk_mmap()
/linux-4.1.27/drivers/hsi/clients/
Dcmt_speech.c1277 vma->vm_ops = &cs_char_vm_ops; in cs_char_mmap()
/linux-4.1.27/fs/ceph/
Daddr.c1597 vma->vm_ops = &ceph_vmops; in ceph_mmap()
/linux-4.1.27/drivers/media/pci/meye/
Dmeye.c1505 vma->vm_ops = &meye_vm_ops; in meye_mmap()
/linux-4.1.27/drivers/staging/android/ion/
Dion.c1021 vma->vm_ops = &ion_vma_ops; in ion_mmap()
/linux-4.1.27/kernel/events/
Dcore.c4754 vma->vm_ops = &perf_mmap_vmops; in perf_mmap()
5885 if (vma->vm_ops && vma->vm_ops->name) { in perf_event_mmap_event()
5886 name = (char *) vma->vm_ops->name(vma); in perf_event_mmap_event()
/linux-4.1.27/security/selinux/
Dselinuxfs.c491 vma->vm_ops = &sel_mmap_policy_ops; in sel_mmap_policy()
/linux-4.1.27/fs/cifs/
Dfile.c3240 vma->vm_ops = &cifs_file_vm_ops; in cifs_file_strict_mmap()
3259 vma->vm_ops = &cifs_file_vm_ops; in cifs_file_mmap()
/linux-4.1.27/drivers/media/platform/omap/
Domap_vout.c925 vma->vm_ops = &omap_vout_vm_ops; in omap_vout_mmap()
/linux-4.1.27/drivers/media/usb/gspca/
Dgspca.c1641 vma->vm_ops = &gspca_vm_ops; in dev_mmap()
/linux-4.1.27/fs/btrfs/
Dfile.c2094 vma->vm_ops = &btrfs_file_vm_ops; in btrfs_file_mmap()
/linux-4.1.27/drivers/video/fbdev/omap2/omapfb/
Domapfb-main.c1117 vma->vm_ops = &mmap_user_ops; in omapfb_mmap()
/linux-4.1.27/virt/kvm/
Dkvm_main.c1985 vma->vm_ops = &kvm_vcpu_vm_ops; in kvm_vcpu_mmap()
/linux-4.1.27/drivers/scsi/
Dsg.c1261 vma->vm_ops = &sg_mmap_vm_ops; in sg_mmap()
/linux-4.1.27/drivers/media/pci/zoran/
Dzoran_driver.c2923 vma->vm_ops = &zoran_vm_ops; in zoran_mmap()
/linux-4.1.27/net/netlink/
Daf_netlink.c543 vma->vm_ops = &netlink_mmap_ops; in netlink_mmap()
/linux-4.1.27/fs/fuse/
Dfile.c2056 vma->vm_ops = &fuse_file_vm_ops; in fuse_file_mmap()
/linux-4.1.27/drivers/android/
Dbinder.c2903 vma->vm_ops = &binder_vm_ops; in binder_mmap()
/linux-4.1.27/net/packet/
Daf_packet.c4018 vma->vm_ops = &packet_mmap_ops; in packet_mmap()
/linux-4.1.27/Documentation/virtual/uml/
DUserModeLinux-HOWTO.txt3311 vm_ops = 0xaffffe7a, vm_pgoff = 2952789626, vm_file = 0xafffffec,