51  * Returns 0 if the vec is invalid.  It is invalid if the number of bytes
55 static unsigned int rds_pages_in_vec(struct rds_iovec *vec)  in rds_pages_in_vec()  argument
57 	if ((vec->addr + vec->bytes <= vec->addr) ||  in rds_pages_in_vec()
58 	    (vec->bytes > (u64)UINT_MAX))  in rds_pages_in_vec()
61 	return ((vec->addr + vec->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT) -  in rds_pages_in_vec()
62 		(vec->addr >> PAGE_SHIFT);  in rds_pages_in_vec()
201 	if (((args->vec.addr + args->vec.bytes) < args->vec.addr) ||  in __rds_rdma_map()
202 	    PAGE_ALIGN(args->vec.addr + args->vec.bytes) <  in __rds_rdma_map()
203 		    (args->vec.addr + args->vec.bytes)) {  in __rds_rdma_map()
213 	nr_pages = rds_pages_in_vec(&args->vec);  in __rds_rdma_map()
228 		args->vec.addr, args->vec.bytes, nr_pages);  in __rds_rdma_map()
265 	ret = rds_pin_pages(args->vec.addr, nr_pages, pages, 1);  in __rds_rdma_map()
292 		args->vec.addr, args->vec.bytes,  in __rds_rdma_map()
323 					      args->vec.addr & ~PAGE_MASK);  in __rds_rdma_map()
389 	new_args.vec = args.vec;  in rds_get_mr_for_dest()
560 	struct rds_iovec *vec;  in rds_rdma_extra_size()  local
580 	vec = &iov->iov[0];  in rds_rdma_extra_size()
582 	if (copy_from_user(vec, local_vec, args->nr_local *  in rds_rdma_extra_size()
588 	for (i = 0; i < args->nr_local; i++, vec++) {  in rds_rdma_extra_size()
590 		nr_pages = rds_pages_in_vec(vec);  in rds_rdma_extra_size()
613 		       struct rds_iov_vector *vec)  in rds_cmsg_rdma_args()  argument
641 	if (vec->len != args->nr_local) {  in rds_cmsg_rdma_args()
649 	iovs = vec->iov;  in rds_cmsg_rdma_args()