From: Vasyl Gomonovych <gomonovych@gmail.com>
To: dledford@redhat.com, dave@stgolabs.net, mst@redhat.com,
jglisse@redhat.com, peterz@infradead.org, linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org, gomonovych@gmail.com
Subject: [PATCH] mm: Use vma_pages helper
Date: Wed, 22 Nov 2017 16:26:50 +0100 [thread overview]
Message-ID: <1511364410-13499-1-git-send-email-gomonovych@gmail.com> (raw)
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@gmail.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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next reply other threads:[~2017-11-22 15:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-22 15:26 Vasyl Gomonovych [this message]
2017-11-22 15:32 ` Michael S. Tsirkin
2017-11-22 16:43 ` Davidlohr Bueso
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