Re: [PATCH v4] mm: introduce reference pages

On Mon, Jun 28, 2021 at 6:11 AM Matthew Wilcox [off-list ref] wrote:

On Sat, Jun 19, 2021 at 02:20:02AM -0700, Peter Collingbourne wrote:

quoted

+++ 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.

This was because is_refpage_vma needed to access vm_file->f_op to
check whether the mapping is a reference page. In v5 I've moved that
part of the check into mm/refpage.c.

quoted

+++ b/include/linux/mman.h

@@ -2,6 +2,7 @@
 #ifndef _LINUX_MMAN_H
 #define _LINUX_MMAN_H

+#include <linux/fs.h>

No.

Okay, this one was entirely unused; removed.

Peter