dev_attr_mem_busy_percent 2900 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c &dev_attr_mem_busy_percent); dev_attr_mem_busy_percent 2982 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c device_remove_file(adev->dev, &dev_attr_mem_busy_percent);