> If all your hardware is PCI nobody will make an allocation from the
> ZONE_DMA classzone and so kswapd will never loop on the ZONE_DMA, as
> instead can happen with -ac as soon as the ZONE_DMA becomes unfreeable
> and under the low watermark (and "unfreeable" of course also means all
> anon not locked memory but no swap installed in the machine).
We don't fallback to ZONE_DMA anymore? (good)
-Mike
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