[RFC PATCH] mm: use compaction feedback for thp backoff conditions

[Michal Hocko]

On Mon 11-04-16 17:40:36, Michal Hocko wrote:
> Hi Andrew,
> Vlastimil has pointed out[1] that using compaction_withdrawn() for THP
> allocations has some non-trivial consequences. While I still think that
> the check is OK it is true we shouldn't sneak in a potential behavior
> change into something that basically provides an API. So can you fold
> the following partial revert into the original patch please?
> 
> [1] http://lkml.kernel.org/r/570BB719.2030007@xxxxxxx

This would be an RFC on top.
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