On Wed, Jun 17, 2015 at 06:38:25PM +0200, Paolo Bonzini wrote: > > > On 17/06/2015 18:34, Michael S. Tsirkin wrote: > > On Wed, Jun 17, 2015 at 06:31:32PM +0200, Paolo Bonzini wrote: > >> > >> > >> On 17/06/2015 18:30, Michael S. Tsirkin wrote: > >>> Meanwhile old tools are vulnerable to OOM attacks. > >> > >> For each vhost device there will be likely one tap interface, and I > >> suspect that it takes way, way more than 16KB of memory. > > > > That's not true. We have a vhost device per queue, all queues > > are part of a single tap device. > > s/tap/VCPU/ then. A KVM VCPU also takes more than 16KB of memory. > > Paolo
That's up to you as a kvm maintainer :) People are already concerned about vhost device memory usage, I'm not happy to define our user/kernel interface in a way that forces even more memory to be used up. -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
