Re: [RFC v2 PATCH 13/13] KVM: Enable memfd based page invalidation/fallocate

[Paolo Bonzini]

On 11/23/21 02:06, Chao Peng wrote:
> > Maybe the kvm has to be tagged with a sequential id that incremented every
> > allocation. This id can be checked here.
> Sounds like a sequential id will be needed, no existing fields in struct
> kvm can work for this.

There's no need to new concepts when there's a perfectly usable 
reference count. :)

Paolo