Revert "mm hh memory"

This reverts commit 406f177f2d7ea11f65521cc96b4f6683d37f5d92.
Revert "mm hammerhead slub"

This reverts commit e08e2cf5915c0f50d2008099b4e2004f9c6d860c.
Revert "mm hammerhead swap"

This reverts commit 97685e5639c229ad083949cddb8fed598b909c47.
devfreq: hammerhead