On Fri, Jul 7, 2023 at 10:52 AM Yin Fengwei <fengwei.yin@xxxxxxxxx> wrote: > > It will be used to check whether the folio is mapped to specific > VMA and whether the mapping address of folio is in the range. > > Signed-off-by: Yin Fengwei <fengwei.yin@xxxxxxxxx> > --- > mm/internal.h | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/mm/internal.h b/mm/internal.h > index f1276d90484ad..66117523d7d71 100644 > --- a/mm/internal.h > +++ b/mm/internal.h > @@ -585,6 +585,32 @@ extern long faultin_vma_page_range(struct vm_area_struct *vma, > bool write, int *locked); > extern bool mlock_future_ok(struct mm_struct *mm, unsigned long flags, > unsigned long bytes); > + > +static inline bool > +folio_in_range(struct folio *folio, struct vm_area_struct *vma, > + unsigned long start, unsigned long end) Is there a caller that's not "folio_in_range(folio, vma, vma->vm_start, vma->vm_end)"? If not, then just "folio_within_vma(folio, vma)" or a wrapper on top of folio_in_range().
