Messages in this thread | | | From | Shakeel Butt <> | Date | Tue, 27 Jul 2021 15:36:54 -0700 | Subject | Re: [PATCH v7 10/10] memcg: enable accounting for ldt_struct objects |
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On Mon, Jul 26, 2021 at 10:34 PM Vasily Averin <vvs@virtuozzo.com> wrote: > > Each task can request own LDT and force the kernel to allocate up to > 64Kb memory per-mm. > > There are legitimate workloads with hundreds of processes and there > can be hundreds of workloads running on large machines. > The unaccounted memory can cause isolation issues between the workloads > particularly on highly utilized machines. > > It makes sense to account for this objects to restrict the host's memory > consumption from inside the memcg-limited container. > > Signed-off-by: Vasily Averin <vvs@virtuozzo.com> > Acked-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
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