On Wed, Jul 14, 2010 at 01:11:49PM -0700, Zach Pfeffer wrote: > If the DMA-API contained functions to allocate virtual space separate > from physical space and reworked how chained buffers functioned it > would probably work - but then things start to look like the VCM API > which does graph based map management. Every additional virtual mapping of a physical buffer results in additional cache aliases on aliasing caches, and more workload for developers to sort out the cache aliasing issues. What does VCM to do mitigate that? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>