On Fri, Mar 27, 2020 at 05:00:16PM -0300, Jason Gunthorpe wrote:
> From: Jason Gunthorpe
>
> Now that flags are handled on a fine-grained per-page basis this global
> flag is redundant and has a confusing overlap with the pfn_flags_mask and
> default_flags.
>
> Normalize the HMM_FAULT_SNAPSHOT b
On Tue, Mar 24, 2020 at 08:33:39AM +0100, Christoph Hellwig wrote:
> >
> > +/*
> > + * If the valid flag is masked off, and default_flags doesn't set valid,
> > then
> > + * hmm_pte_need_fault() always returns 0.
> > + */
> > +static bool hmm_can_fault(struct hmm_range *range)
> > +{
> > + ret
>
> +/*
> + * If the valid flag is masked off, and default_flags doesn't set valid, then
> + * hmm_pte_need_fault() always returns 0.
> + */
> +static bool hmm_can_fault(struct hmm_range *range)
> +{
> + return ((range->flags[HMM_PFN_VALID] & range->pfn_flags_mask) |
> + range->de
