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2 ++ > 3 files changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c > index 8f38de3b2f1c..0c54d5e2bfdd 100644 > --- a/drivers/gpu/drm/ttm/ttm_tt.c > +++ b/drivers/gpu/drm/ttm/ttm_tt.c > @@ -162,6 +162,7 @@ static void ttm_tt_init_fields(struct ttm_tt *ttm, > ttm->caching = caching; > ttm->restore = NULL; > ttm->backup = NULL; > + ttm->objcg = bo->objcg; > } > > int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo, > diff --git a/include/drm/ttm/ttm_bo.h b/include/drm/ttm/ttm_bo.h > index 099dc2604baa..f26ec0a0273f 100644 > --- a/include/drm/ttm/ttm_bo.h > +++ b/include/drm/ttm/ttm_bo.h > @@ -135,6 +135,12 @@ struct ttm_buffer_object { > * reservation lock. > */ > struct sg_table *sg; > + > + /** > + * @objcg: object cgroup to charge this to if it ends up using system memory. > + * NULL means don't charge. > + */ > + struct obj_cgroup *objcg; > }; > > #define TTM_BO_MAP_IOMEM_MASK 0x80 > diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h > index 15d4019685f6..c13fea4c2915 100644 > --- a/include/drm/ttm/ttm_tt.h > +++ b/include/drm/ttm/ttm_tt.h > @@ -126,6 +126,8 @@ struct ttm_tt { > enum ttm_caching caching; > /** @restore: Partial restoration from backup state. TTM private */ > struct ttm_pool_tt_restore *restore; > + /** @objcg: Object cgroup for this TT allocation */ > + struct obj_cgroup *objcg; > }; We should probably keep that out of the pool and account the memory to the BO instead. Regards, Christian. > > /**