On 3/9/22 04:12, Rob Clark wrote:
>> +static unsigned long
>> +virtio_gpu_gem_shrinker_count_objects(struct shrinker *shrinker,
>> + struct shrink_control *sc)
>> +{
>> + struct drm_gem_shmem_object *shmem;
>> + struct virtio_gpu_device *vgdev;
>>
On Tue, Mar 8, 2022 at 5:17 AM Dmitry Osipenko
wrote:
>
> Add memory shrinker and new madvise IOCTL to the VirtIO-GPU driver.
> Userspace (BO cache manager of Mesa driver) will mark BOs as "don't need"
> using the new IOCTL to let shrinker purge the marked BOs on OOM, thus
> shrinker will lower
On 3/8/22 16:17, Dmitry Osipenko wrote:
> @@ -246,20 +246,28 @@ static int virtio_gpu_plane_prepare_fb(struct drm_plane
> *plane,
> struct virtio_gpu_device *vgdev = dev->dev_private;
> struct virtio_gpu_framebuffer *vgfb;
> struct virtio_gpu_object *bo;
> + int err;
>
>
Add memory shrinker and new madvise IOCTL to the VirtIO-GPU driver.
Userspace (BO cache manager of Mesa driver) will mark BOs as "don't need"
using the new IOCTL to let shrinker purge the marked BOs on OOM, thus
shrinker will lower memory pressure and prevent OOM kills.
Signed-off-by: Daniel
