dea8c09c3285 ("xen/gntdev-dmabuf: Ditch dummy map functions")
a240d6e42e28 ("xen/gntdev: Implement dma-buf export functionality")
932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI")
1d3145675538 ("xen/gntdev: Make private routines/structures accessible")
975ef7ff81bb ("xen/gntdev: Allow mappings for DMA buffers")
c5f7c5a9a0f8 ("drivers, xen: convert grant_map.users from atomic_t to refcount_t")
c7ebf9d9c6b4 ("xen: use vma_pages().")
a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy")