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]>
---
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
From 1585191307554301206@xxx Mon Nov 27 04:17:16 +0000 2017
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