ttm_sg_tt_init
if (ttm_sg_tt_init(>t->ttm, bo, page_flags, caching)) {
int ttm_sg_tt_init(struct ttm_tt *ttm_dma, struct ttm_buffer_object *bo,
if (ttm_sg_tt_init(>t->ttm, bo, page_flags, caching)) {
err = ttm_sg_tt_init(tt, bo, 0, caching);
err = ttm_sg_tt_init(tt, bo, 0, caching);
EXPORT_SYMBOL(ttm_sg_tt_init);