Re: [patch 0/7] cpuset writeback throttling

[David Rientjes]

On Tue, 4 Nov 2008, Peter Zijlstra wrote:

> 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.
> 

That's correct, the ZVC values from each node assigned to a particular 
cpuset is used to determine the dirty ratios.  We don't currently have the 
infrastructure to do that with any other cgroup.

So extracting this out to a separate cgroup is fine, but it's still only 
applicable to cpusets at this time.  Let me know what the prerequisites 
are for -mm inclusion.
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