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Date: Wed, 22 Nov 2017 16:26:50 +0100 From: Vasyl Gomonovych <gomonovych@...il.com> To: dledford@...hat.com, dave@...olabs.net, mst@...hat.com, jglisse@...hat.com, peterz@...radead.org, linux-mm@...ck.org Cc: linux-kernel@...r.kernel.org, gomonovych@...il.com Subject: [PATCH] mm: Use vma_pages helper 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 <gomonovych@...il.com> --- 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
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