Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [RFC 5/8] Make writeout during reclaim cpuset aware | Date | Wed, 17 Jan 2007 15:28:16 +1100 |
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On Wednesday 17 January 2007 15:20, Paul Jackson wrote: > Andi wrote: > > Is there a reason this can't be just done by node, ignoring the cpusets? > > This suggestion doesn't make a whole lot of sense to me. > > We're looking to see if a task has dirtied most of the > pages in the nodes it is allowed to use. If it has, then > we want to start pushing pages to the disk harder, and > slowing down the tasks writes. > > What would it mean to do this per-node? And why would > that be better?
With a per node dirty limit you would get essentially the same effect and it would have the advantage of helping people who don't configure any cpusets but run on a NUMA system.
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