Messages in this thread |  | | | Subject | Re: [patch 0/7] cpuset writeback throttling | | From | Peter Zijlstra <> | | Date | Tue, 04 Nov 2008 21:53:08 +0100 |
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On Tue, 2008-11-04 at 12:47 -0800, Andrew Morton wrote: > On Thu, 30 Oct 2008 12:23:10 -0700 (PDT) > David Rientjes <rientjes@google.com> wrote: > > > This is the revised cpuset writeback throttling patchset > > I'm all confused about why this is a cpuset thing rather than a cgroups > thing. What are the relationships here? > > I mean, writeback throttling _should_ operate upon a control group > (more specifically: a memcg), yes? I guess you're assuming a 1:1 > relationship here?
I think the main reason is that we have per-node vmstats so the cpuset extention is relatively easy. Whereas we do not currently maintain vmstats on a cgroup level - although I imagine that could be remedied.
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