64 	mr->umem = NULL;  in mlx4_ib_get_dma_mr()
78 			   struct ib_umem *umem)  in mlx4_ib_umem_write_mtt()  argument
93 	list_for_each_entry(chunk, &umem->chunk_list, list)  in mlx4_ib_umem_write_mtt()
98 					umem->page_size * k;  in mlx4_ib_umem_write_mtt()
136 	mr->umem = ib_umem_get(pd->uobject->context, start, length,  in mlx4_ib_reg_user_mr()
138 	if (IS_ERR(mr->umem)) {  in mlx4_ib_reg_user_mr()
139 		err = PTR_ERR(mr->umem);  in mlx4_ib_reg_user_mr()
143 	n = ib_umem_page_count(mr->umem);  in mlx4_ib_reg_user_mr()
144 	shift = ilog2(mr->umem->page_size);  in mlx4_ib_reg_user_mr()
151 	err = mlx4_ib_umem_write_mtt(dev, &mr->mmr.mtt, mr->umem);  in mlx4_ib_reg_user_mr()
167 	ib_umem_release(mr->umem);  in mlx4_ib_reg_user_mr()
180 	if (mr->umem)  in mlx4_ib_dereg_mr()
181 		ib_umem_release(mr->umem);  in mlx4_ib_dereg_mr()
208 	mr->umem = NULL;  in mlx4_ib_alloc_fast_reg_mr()