Commit ef9f515a authored Jul 03, 2013 by Libin Committed by Linus Torvalds Jul 03, 2013

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>

parent d6e93217

fs/ncpfs/mmap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -117,7 +117,7 @@ int ncp_mmap(struct file file, struct vm_area_struct vma)
		return -EINVAL;
		/* we do not support files bigger than 4GB... We eventually
		supports just 4GB... */
		if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff
		if (vma_pages(vma) + vma->vm_pgoff
		> (1U << (32 - PAGE_SHIFT)))
		return -EFBIG;