On Fri, Sep 21, 2018 at 08:03:33AM -0700, Yu-cheng Yu wrote: > We are going to create _PAGE_DIRTY_SW for non-hardware, memory > management purposes. Rename _PAGE_DIRTY to _PAGE_DIRTY_HW and > _PAGE_BIT_DIRTY to _PAGE_BIT_DIRTY_HW to make these PTE dirty > bits more clear. There are no functional changes in this > patch. I would like there to be some documentation in this patchset which explains the difference between PAGE_SOFT_DIRTY and PAGE_DIRTY_SW. Also, is it really necessary to rename PAGE_DIRTY? It feels like a lot of churn.