On Sun, Jan 22, 2017 at 06:31:57PM -0500, Jeff Layton wrote: > > Ahh, sorry if I wasn't clear. > > I know Kevin posed this topic in the context of QEMU/KVM, and I figure > that running virt guests (themselves doing all sorts of workloads) is a > pretty common setup these days. That was what I meant by "use case" > here. Obviously there are many other workloads that could benefit from > (or be harmed by) changes in this area. > > Still, I think that looking at QEMU/KVM as a "application" and > considering what we can do to help optimize that case could be helpful > here (and might also be helpful for other workloads). Well, except for QEMU/KVM, Kevin has already confirmed that using Direct I/O is a completely viable solution. (And I'll add it solves a bunch of other problems, including page cache efficiency....) - Ted -- 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>
