Messages in this thread | | | Date | Mon, 21 Jan 2019 12:23:12 +0200 | From | Mike Rapoport <> | Subject | Re: [PATCH RFC 05/24] userfaultfd: wp: add helper for writeprotect check |
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On Mon, Jan 21, 2019 at 03:57:03PM +0800, Peter Xu wrote: > From: Shaohua Li <shli@fb.com> > > add helper for writeprotect check. Will use it later.
I'd merge this with the commit that actually uses this helper.
> Cc: Andrea Arcangeli <aarcange@redhat.com> > Cc: Pavel Emelyanov <xemul@parallels.com> > Cc: Rik van Riel <riel@redhat.com> > Cc: Kirill A. Shutemov <kirill@shutemov.name> > Cc: Mel Gorman <mgorman@suse.de> > Cc: Hugh Dickins <hughd@google.com> > Cc: Johannes Weiner <hannes@cmpxchg.org> > Signed-off-by: Shaohua Li <shli@fb.com> > Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> > Signed-off-by: Peter Xu <peterx@redhat.com> > --- > include/linux/userfaultfd_k.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h > index 37c9eba75c98..38f748e7186e 100644 > --- a/include/linux/userfaultfd_k.h > +++ b/include/linux/userfaultfd_k.h > @@ -50,6 +50,11 @@ static inline bool userfaultfd_missing(struct vm_area_struct *vma) > return vma->vm_flags & VM_UFFD_MISSING; > } > > +static inline bool userfaultfd_wp(struct vm_area_struct *vma) > +{ > + return vma->vm_flags & VM_UFFD_WP; > +} > + > static inline bool userfaultfd_armed(struct vm_area_struct *vma) > { > return vma->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP); > @@ -94,6 +99,11 @@ static inline bool userfaultfd_missing(struct vm_area_struct *vma) > return false; > } > > +static inline bool userfaultfd_wp(struct vm_area_struct *vma) > +{ > + return false; > +} > + > static inline bool userfaultfd_armed(struct vm_area_struct *vma) > { > return false; > -- > 2.17.1 >
-- Sincerely yours, Mike.
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