RDS_IB_MAX_SGE    150 net/rds/ib.c   	rds_ibdev->max_sge = min(device->attrs.max_send_sge, RDS_IB_MAX_SGE);
RDS_IB_MAX_SGE    108 net/rds/ib.h   	struct ib_sge		s_sge[RDS_IB_MAX_SGE];