On 4/5/19 10:27 AM, Andy Lutomirski wrote: > At the risk of asking stupid questions: we already have a mechanism for this: highmem. Can we enable highmem on x86_64, maybe with some heuristics to make it work well? > I proposed using highmem infrastructure for xpfo in my cover letter as well as in my earlier replies discussing redesigning xpfo_kmap/xpfo_kunmap. So that sounds like a reasonable question to me :) Looks like we might be getting to an agreement that highmem infrastructure is a good thing to use here. -- Khalid
