On Wed, 17 Mar 2021 08:04:20 +0000, Wanpeng Li <kernellwp@xxxxxxxxx> wrote: > > On Wed, 17 Mar 2021 at 15:57, Michal Hocko <mhocko@xxxxxxxx> wrote: > > > > On Wed 17-03-21 13:46:24, Wanpeng Li wrote: > > > From: Wanpeng Li <wanpengli@xxxxxxxxxxx> > > > > > > KVM allocations in the arm kvm code which are tied to the life > > > of the VM process should be charged to the VM process's cgroup. > > > > How much memory are we talking about? > > > > > This will help the memcg controler to do the right decisions. > > > > This is a bit vague. What is the right decision? AFAICS none of that > > memory is considered during oom victim selection. The only thing memcg > > controler can help with is to contain and account this additional > > memory. This might help to better isolate multiple workloads on the same > > system. Maybe this is what you wanted to say? Or maybe this is a way to > > prevent untrusted users from consuming a lot of memory? > > It is explained in this patchset for x86 kvm which is upstream, I > think I don't need to copy and paste. :) You expect us to review your patches, don't you? Surely you can afford to explain why I should consider it at all. And if you cannot be bothered, maybe I shouldn't either. M. -- Without deviation from the norm, progress is not possible.
