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SubjectRe: [PATCH 10/11] Direct compact when a high-order allocation fails
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> > Viewpoint 5. end user surprising
> >
> > lumpy reclaim can makes swap-out even though the system have lots free
> > memory. end users very surprised it and they can think it is bug.
> >
> > Also, this swap activity easyly confuse that an administrator decide when
> > install more memory into the system.
> >
>
> Compaction in this case is a lot less surprising. If there is enough free
> memory, compaction will trigger automatically without any reclaim.

I fully agree this.




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