[PATCH hmm 6/6] mm/hmm: use device_private_entry_to_pfn()

[Jason Gunthorpe]

On Sat, Mar 21, 2020 at 09:43:47AM +0100, Christoph Hellwig wrote:
> On Fri, Mar 20, 2020 at 01:49:05PM -0300, Jason Gunthorpe wrote:
> > From: Jason Gunthorpe <jgg at mellanox.com>
> > 
> > swp_offset() should not be called directly, the wrappers are supposed to
> > abstract away the encoding of the device_private specific information in
> > the swap entry.
> > 
> > Signed-off-by: Jason Gunthorpe <jgg at mellanox.com>
> >  mm/hmm.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/mm/hmm.c b/mm/hmm.c
> > index a09b4908e9c81a..fd9ee2b5fd9989 100644
> > +++ b/mm/hmm.c
> > @@ -259,8 +259,8 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
> >  		 * the PFN even if not present.
> >  		 */
> >  		if (hmm_is_device_private_entry(range, entry)) {
> > -			*pfn = hmm_device_entry_from_pfn(range,
> > -					    swp_offset(entry));
> > +			*pfn = hmm_device_entry_from_pfn(
> > +				range, device_private_entry_to_pfn(entry));
> 
> The range parameter can stay on the first line..

Done. Makes the diff smaller.

Thanks,
Jason