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SubjectRe: 2.4.>=13 VM/kswapd/shmem/Oracle issue (was Re: Google's mm problems)
Andrea Arcangeli wrote:

> loop that can trigger with the -ac VM when all the ZONE_DMA is
> unfreeable (now fixed in mainline with classzone) have nothing to do

Ok I think I've misunderstood classzone then.
As I understand it, it prevents looping in ZONE_NORMAL when ZONE_DMA has
memory free,
and looping in ZONE_HIGHMEM if ZONE_NORMAL or ZONE_DMA have memory free.
Can you please explain how it also solves the ZONE_DMA problem ?

Greetings,
Arjan van de Ven
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