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

[Rik van Riel]

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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