On Thu, Nov 15, 2018 at 9:09 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote: > > Previouly drivers have their own way of mapping range of > kernel pages/memory into user vma and this was done by > invoking vm_insert_page() within a loop. > > As this pattern is common across different drivers, it can > be generalized by creating a new function and use it across > the drivers. > > vm_insert_range is the new API which will be used to map a > range of kernel memory/pages to user vma. > > All the applicable places are converted to use new vm_insert_range > in this patch series. > > Souptick Joarder (9): > mm: Introduce new vm_insert_range API > arch/arm/mm/dma-mapping.c: Convert to use vm_insert_range > drivers/firewire/core-iso.c: Convert to use vm_insert_range > drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range > drm/xen/xen_drm_front_gem.c: Convert to use vm_insert_range > iommu/dma-iommu.c: Convert to use vm_insert_range > videobuf2/videobuf2-dma-sg.c: Convert to use vm_insert_range > xen/gntdev.c: Convert to use vm_insert_range > xen/privcmd-buf.c: Convert to use vm_insert_range Any further comment on driver changes ? > > arch/arm/mm/dma-mapping.c | 21 ++++++----------- > drivers/firewire/core-iso.c | 15 ++---------- > drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 20 ++-------------- > drivers/gpu/drm/xen/xen_drm_front_gem.c | 20 +++++----------- > drivers/iommu/dma-iommu.c | 12 ++-------- > drivers/media/common/videobuf2/videobuf2-dma-sg.c | 23 ++++++------------- > drivers/xen/gntdev.c | 11 ++++----- > drivers/xen/privcmd-buf.c | 8 ++----- > include/linux/mm_types.h | 3 +++ > mm/memory.c | 28 +++++++++++++++++++++++ > mm/nommu.c | 7 ++++++ > 11 files changed, 70 insertions(+), 98 deletions(-) > > -- > 1.9.1 >