Re: [PATCH v2 02/11] mm: add pmd_mkclean()

Ross Zwisler
2015-11-17T17:52:47Z

On Fri, Nov 13, 2015 at 05:02:48PM -0800, Dave Hansen wrote:
> On 11/13/2015 04:06 PM, Ross Zwisler wrote:
> > +static inline pmd_t pmd_mkclean(pmd_t pmd)
> > +{
> > + return pmd_clear_flags(pmd, _PAGE_DIRTY | _PAGE_SOFT_DIRTY);
> > +}
>
> pte_mkclean() doesn't clear _PAGE_SOFT_DIRTY. What the thought behind
> doing it here?

I just wrote it to undo the work done by pmd_mkdirty() - you're right, it
should mirror the work done by pte_mkclean() and not clear _PAGE_SOFT_DIRTY.
I'll fix this for v3, thanks!