Messages in this thread | | | Date | Fri, 6 Nov 2020 12:52:45 -0800 | From | Roman Gushchin <> | Subject | Re: [PATCH] mm, kvm: account kvm_vcpu_mmap to kmemcg |
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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@google.com> > ---
Acked-by: Roman Gushchin <guro@fb.com>
Thanks, Shakeel!
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