> On 2/19/07, Andrew Morton <[EMAIL PROTECTED]> wrote: > >>Alas, I fear this might have quite bad worst-case behaviour. One small >>container which is under constant memory pressure will churn the >>system-wide LRUs like mad, and will consume rather a lot of system time. >>So it's a point at which container A can deleteriously affect things which >>are running in other containers, which is exactly what we're supposed to >>not do. > > > I think it's OK for a container to consume lots of system time during > reclaim, as long as we can account that time to the container involved > (i.e. if it's done during direct reclaim rather than by something like > kswapd). hmm, is it ok to scan 100Gb of RAM for 10MB RAM container? in UBC patch set we used page beancounters to track containter pages. This allows to make efficient scan contoler and reclamation.
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