The <linux/mm.h> provides offset_in_page() macro. Let's use already
predefined macro instead of (addr & ~PAGE_MASK).
Signed-off-by: Alexander Kuleshov <kuleshovmail@xxxxxxxxx>
---
mm/util.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/util.c b/mm/util.c
index 68ff8a5..9af1c12 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -309,7 +309,7 @@ unsigned long vm_mmap(struct file *file, unsigned long addr,
{
if (unlikely(offset + PAGE_ALIGN(len) < offset))
return -EINVAL;
- if (unlikely(offset & ~PAGE_MASK))
+ if (unlikely(offset_in_page(offset)))
return -EINVAL;
return vm_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);
--
2.5.0
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>