virgl: Support new madvise IOCTL
Support new madvise IOCTL of the Linux kernel driver to release memory pressure during OOM by purging cached BOs.
https://lore.kernel.org/dri-devel/20231029230205.93277-1-dmitry.osipenko@collabora.com/
Support new madvise IOCTL of the Linux kernel driver to release memory pressure during OOM by purging cached BOs.
https://lore.kernel.org/dri-devel/20231029230205.93277-1-dmitry.osipenko@collabora.com/