Re: [PATCH 3/5] vhost: support upto 509 memory regions
From: Paolo Bonzini
Date: Wed Jun 17 2015 - 12:38:42 EST
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.
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