On Wed, Nov 22, 2017 at 04:26:50PM +0100, Vasyl Gomonovych wrote: > Use vma_pages function on vma object instead of explicit computation. > mm/interval_tree.c:21:27-33: WARNING: Consider using vma_pages helper > Generated by: scripts/coccinelle/api/vma_pages.cocci > > Signed-off-by: Vasyl Gomonovych <[email protected]>
Acked-by: Michael S. Tsirkin <[email protected]> > --- > mm/interval_tree.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/interval_tree.c b/mm/interval_tree.c > index b47664358796..27ddfd29112a 100644 > --- a/mm/interval_tree.c > +++ b/mm/interval_tree.c > @@ -18,7 +18,7 @@ static inline unsigned long vma_start_pgoff(struct > vm_area_struct *v) > > static inline unsigned long vma_last_pgoff(struct vm_area_struct *v) > { > - return v->vm_pgoff + ((v->vm_end - v->vm_start) >> PAGE_SHIFT) - 1; > + return v->vm_pgoff + vma_pages(v) - 1; > } > > INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb, > -- > 1.9.1
