Hello, On 3/9/22 11:59, Thomas Zimmermann wrote: > Hi > > Am 08.03.22 um 14:17 schrieb Dmitry Osipenko: >> Hello, >> >> This patchset introduces memory shrinker for the VirtIO-GPU DRM driver. >> During OOM, the shrinker will release BOs that are marked as "not needed" >> by userspace using the new madvise IOCTL. The userspace in this case is >> the Mesa VirGL driver, it will mark the cached BOs as "not needed", >> allowing kernel driver to release memory of the cached shmem BOs on >> lowmem >> situations, preventing OOM kills. > > Virtio-gpu is build on top of GEM shmem helpers. I have a prototype > patchset that adds a shrinker to these helpers. If you want to go > further, you could implement something like that instead. Panfrost and > lima also have their own shrinker and could certainly be converted to > the gem-shmem shrinker. I had a thought that it could be possible to unify shrinkers into a common DRM framework. Could you please give me a link to yours prototype patchset?
