diff options
author | Libin <huawei.libin@huawei.com> | 2013-07-03 18:01:26 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 19:07:26 -0400 |
commit | ef9f515a4c38c759c56c7d1e760cc243b6d516f4 (patch) | |
tree | ea35e5d7f3202af53f990e8f5dc87ddfaac7e32c /fs/ncpfs/mmap.c | |
parent | d6e932177090463e5c709e9e61bbd705a33a1609 (diff) |
ncpfs: use vma_pages() to replace (vm_end - vm_start) >> PAGE_SHIFT
(*->vm_end - *->vm_start) >> PAGE_SHIFT operation is implemented
as a inline funcion vma_pages() in linux/mm.h, so using it.
Signed-off-by: Libin <huawei.libin@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ncpfs/mmap.c')
-rw-r--r-- | fs/ncpfs/mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c index ee24df5af1f9..3c5dd55d284c 100644 --- a/fs/ncpfs/mmap.c +++ b/fs/ncpfs/mmap.c | |||
@@ -117,7 +117,7 @@ int ncp_mmap(struct file *file, struct vm_area_struct *vma) | |||
117 | return -EINVAL; | 117 | return -EINVAL; |
118 | /* we do not support files bigger than 4GB... We eventually | 118 | /* we do not support files bigger than 4GB... We eventually |
119 | supports just 4GB... */ | 119 | supports just 4GB... */ |
120 | if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff | 120 | if (vma_pages(vma) + vma->vm_pgoff |
121 | > (1U << (32 - PAGE_SHIFT))) | 121 | > (1U << (32 - PAGE_SHIFT))) |
122 | return -EFBIG; | 122 | return -EFBIG; |
123 | 123 | ||