fix VM_CAN_NONLINEAR check in sys_remap_file_pages

The test for VM_CAN_NONLINEAR always fails

Signed-off-by: Yan Zheng<yanzheng@21cn.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/fremap.c b/mm/fremap.c
index c395b1a..95bcb56 100644 (file)
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -160,7 +160,7 @@ asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
        if (vma->vm_private_data && !(vma->vm_flags & VM_NONLINEAR))
                goto out;
 
-       if (!vma->vm_flags & VM_CAN_NONLINEAR)
+       if (!(vma->vm_flags & VM_CAN_NONLINEAR))
                goto out;
 
        if (end <= start || start < vma->vm_start || end > vma->vm_end)