| Message ID | 1582520593-30704-5-git-send-email-anshuman.khandual@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mm/vma: Use all available wrappers when possible | expand |
On 2/24/20 6:03 AM, Anshuman Khandual wrote: > This replaces all remaining open encodings with vma_is_anonymous(). > > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Vlastimil Babka <vbabka@suse.cz > --- > mm/gup.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/mm/gup.c b/mm/gup.c > index c8ffe2e61f03..58c8cbfeded6 100644 > --- a/mm/gup.c > +++ b/mm/gup.c > @@ -146,7 +146,8 @@ static struct page *no_page_table(struct vm_area_struct *vma, > * But we can only make this optimization where a hole would surely > * be zero-filled if handle_mm_fault() actually did handle it. > */ > - if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault)) > + if ((flags & FOLL_DUMP) && > + (vma_is_anonymous(vma) || !vma->vm_ops->fault)) > return ERR_PTR(-EFAULT); > return NULL; > } >
diff --git a/mm/gup.c b/mm/gup.c index c8ffe2e61f03..58c8cbfeded6 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -146,7 +146,8 @@ static struct page *no_page_table(struct vm_area_struct *vma, * But we can only make this optimization where a hole would surely * be zero-filled if handle_mm_fault() actually did handle it. */ - if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault)) + if ((flags & FOLL_DUMP) && + (vma_is_anonymous(vma) || !vma->vm_ops->fault)) return ERR_PTR(-EFAULT); return NULL; }
This replaces all remaining open encodings with vma_is_anonymous(). Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)