# Re: \[PATCH v4\] mm: introduce reference pages

- From: Matthew Wilcox \<willy@infradead.org\>
- Date: 2021-06-28 13:11:57 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/06/6509091
- Thread: https://ratatoskr.run/linux-arm-kernel/2021/06/6508943/t.md

```text
On Sat, Jun 19, 2021 at 02:20:02AM -0700, Peter Collingbourne wrote:
> +++ b/include/linux/mm.h
> @@ -32,6 +32,7 @@
>  #include <linux/sched.h>
>  #include <linux/pgtable.h>
>  #include <linux/kasan.h>
> +#include <linux/fs.h>

No.

> +++ b/include/linux/mman.h
> @@ -2,6 +2,7 @@
>  #ifndef _LINUX_MMAN_H
>  #define _LINUX_MMAN_H
>  
> +#include <linux/fs.h>

No.

```