K 10 svn:author V 6 tychon K 8 svn:date V 27 2019-06-03T19:19:35.576000Z K 7 svn:log V 157 very large dma mappings can cause integer overflow Reviewed by: kib Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D20505 END