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-rw-r--r--mm/interval_tree.c2
1 files changed, 1 insertions, 1 deletions
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,