> One thing I'm not sure about: What's the largest IO (in terms of # of blocks, > not # of struct iovecs) that I can throw at the kernel? Yeah, dunno. I'd guess big :). I'd hope that the PI code already has a way to clamp the size of bios if there's a limit to the size of PI data that can be managed downstream? - z -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>