From: Alexander Duyck <alexander.du...@gmail.com> Date: Thu, 15 Mar 2018 14:26:28 -0700
> So my concern with this patch is that it is essentially trading off > CPU performance for reduced size. One of the reasons for getting away > from using the page pointer is because it is expensive to access the > page when the ref_count is bouncing on multiple cache lines. Agreed.