Re: [PATCH -mm] limit direct reclaim for higher order allocations

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On 09/26/2011 11:02 AM, Mel Gorman wrote:

I don't have a proper patch prepared but I think it is a mistake for
reclaim and compaction to be using different logic when deciding
if action should be taken. Compaction uses compaction_suitable()
and compaction_deferred() to decide whether it should compact or not
and reclaim/compaction should share the same logic. I don't have a
proper patch but the check would look something like;

Mel and I just hashed out the details on IRC.

I'm building a test kernel with the new logic now and will
post an updated patch if everything works as expected.

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