- features = uffdio_api.features;
- ret = -EINVAL;
- if (uffdio_api.api != UFFD_API || (features & ~UFFD_API_FEATURES))
- goto err_out;
+ /* Ignore unsupported features (userspace built against newer kernel) */
+ features = uffdio_api.features & UFFD_API_FEATURES;