lkml.org 
[lkml]   [2012]   [May]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] fork: use vma_pages() to simplify the code
Date
The current code can be replaced by vma_pages().
So use it to simplify the code.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
---
kernel/fork.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/fork.c b/kernel/fork.c
index 3417e1b..3decf6d 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -386,7 +386,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
charge = 0;
if (mpnt->vm_flags & VM_ACCOUNT) {
unsigned long len;
- len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
+ len = vma_pages(mpnt);
if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
goto fail_nomem;
charge = len;
--
1.7.4.4


\
 
 \ /
  Last update: 2012-05-30 09:21    [from the cache]
©2003-2011 Jasper Spaans