lkml.org 
[lkml]   [2017]   [Nov]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] mm: Use vma_pages helper
Date
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
\
 
 \ /
  Last update: 2017-11-22 16:27    [W:0.040 / U:8.552 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site