Re: [PATCH] mm, kvm: account kvm_vcpu_mmap to kmemcg

[Roman Gushchin]

On Fri, Nov 06, 2020 at 12:29:23PM -0800, Shakeel Butt wrote:
> A VCPU of a VM can allocate couple of pages which can be mmap'ed by the
> user space application. At the moment this memory is not charged to the
> memcg of the VMM. On a large machine running large number of VMs or
> small number of VMs having large number of VCPUs, this unaccounted
> memory can be very significant. So, charge this memory to the memcg of
> the VMM. Please note that lifetime of these allocations corresponds to
> the lifetime of the VMM.
> 
> Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
> ---

Acked-by: Roman Gushchin <guro@xxxxxx>

Thanks, Shakeel!