Re: [RFC PATCH v4 09/27] x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW

Yu-cheng Yu
2018-10-03T16:18:27Z

On Wed, 2018-10-03 at 06:38 -0700, Matthew Wilcox wrote:
> 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.

I will add some comments for the difference between PAGE_SOFT_DIRTY and
PAGE_DIRTY_SW.

Yu-cheng