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SubjectRe: [patch 2/2] slub: enforce cpuset restrictions for cpu slabs
On Tue, 3 Mar 2009, Paul Menage wrote:

> > That would help for cpusets that are looking for NUMA optimizations (i.e.
> > probably long-lived objects with local affinity) but would not ensure
> > memory isolation from tasks in other exclusive cpusets from allocating on
> > my slab.
>
> That would be the sysadmin's choice, if they set these other cpusets
> with slab_hardwall=false.
>
> Presumably in most cases all cpusets would have slab_hardwall set to
> the same value.
>

True, and this would have to be clearly documented in
Documentation/cgroups/cpusets.txt.

Christoph, would a `slab_hardwall' cpuset setting address your concerns?


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