Hi Jacek, > >> +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c > >> @@ -110,6 +110,7 @@ static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct * > >> if (ret) > >> return ret; > >> > >> + vm_flags_set(vma, VM_DONTEXPAND); > >> vma_set_file(vma, obj->base.filp); > >> > >> return 0; > >> > > Is this an existing issue somewhere (on GitLab for example)? The fix > > looks good, I'm just curious how you noticed this problem and if the > > patch should have "Fixes/Closes" labels added. > > We noticed the problem while running internal intel_vpu tests that import buffers from vulkan. > These tests will be upstreamed at some point but currently there is no external issue for this bug. Having a test for that would be beneficial - it would let us verify the necessity of this commit. Looking forward to it :) > I will add Fixes tag. Please do, having a reference point would be good. After you add that: Reviewed-by: Krzysztof Karas <krzysztof.karas@xxxxxxxxx> Krzysztof
