K 10 svn:author V 3 jhb K 8 svn:date V 27 2009-03-30T18:47:13.511783Z K 7 svn:log V 275 MFC: Use a DMA boundary of 4GB to prevent individual transactions from crossing a 4GB address boundary. Due to bus_size_t type limitations, the driver uses a 2GB boundary in PAE kernels. This fixes a data corruption issue when using twa(4) in machines with >= 8 GB of RAM. END