Messages in this thread | | | Subject | Re: [PATCH] mm, kvm: account kvm_vcpu_mmap to kmemcg | From | Paolo Bonzini <> | Date | Sun, 8 Nov 2020 12:23:27 +0100 |
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On 06/11/20 21:52, Roman Gushchin wrote: > 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! >
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
If this patch is not merged via -mm, please ping me again once its dependency is part of Linus's tree.
Thanks,
Paolo
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