int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
				 mana_handle_t *gdma_region)
static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
					mana_handle_t *gdma_region, unsigned long page_sz)