Re: [PATCH 10/11] Direct compact when a high-order allocation fails

[KOSAKI Motohiro]

> > 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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