> Hello, > Some more basic questions.. > > 1. How can I ensure that memory for the a guest is available and > reserved? In other words, I bring up a Linux VM which has 4G > allocated, I want to make sure it has all the 4G available right away. > I saw references to balloon driver, it seemed like that was more for > dynamic memory exchange between host and guest. In my case, it is a > Linux guest with a Linux VM. > Try -realtime mlock=on, this option ensure that all the memory allocated for VM is available right away. > 2. Does the host reclaim pages from guest if it needs it without a >balloon driver? > Yes, just consider the memory of VM as that of QEMU(user-process). > 3. This might be a very basic question, please bear with me:) If I use > virtio for say network and block, does network and block traffic still > go through QEMU? Is the host part of virtio basically QEMU or is it > something that runs in the host kernel. If QEMU, does every IO still > pass through it? Found some conflicting information, so not a 100% > sure. Found this, not sure if it is 100% accurate? Trying to > understand the flow through different layers, and what the layers are. > http://events.linuxfoundation.org/sites/events/files/slides/MasakiKimura_LinuxConNorthAmerica2013_1.pdf > > It depends on whether you enable the vhost or something. > Thank you in Advance:) > -- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
