K 10 svn:author V 7 delphij K 8 svn:date V 27 2008-10-06T22:34:17.555947Z K 7 svn:log V 233 Limit DMA memory to lower addressable 4GB, without this patch, we can reliably provoke data corruption on systems equipped with a plenty of memory during high load. Reported by: gnn via iXsystems MFC candidate: RELENG_7_1, RELENG_7 END