On Mon, Oct 12, 2020 at 10:52:03AM +0200, Christian König wrote: > Add the new vma_set_file() function to allow changing > vma->vm_file with the necessary refcount dance. > > v2: add more users of this. > v3: add missing EXPORT_SYMBOL, rebase on mmap cleanup, > add comments why we drop the reference on two occasions. > v4: make it clear that changing an anonymous vma is illegal. > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> > Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> (v2) > --- > drivers/dma-buf/dma-buf.c | 3 +-- > drivers/gpu/drm/etnaviv/etnaviv_gem.c | 4 +--- > drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 3 +-- > drivers/gpu/drm/i915/gem/i915_gem_mman.c | 5 +++-- > drivers/gpu/drm/msm/msm_gem.c | 4 +--- > drivers/gpu/drm/omapdrm/omap_gem.c | 3 +-- > drivers/gpu/drm/vgem/vgem_drv.c | 3 +-- > drivers/staging/android/ashmem.c | 6 +++--- > include/linux/mm.h | 2 ++ > mm/mmap.c | 12 ++++++++++++ > 10 files changed, 26 insertions(+), 19 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
