will be called when part or all of the page is to be removed
--- a/MAINTAINERS
+++ b/MAINTAINERS
-@@ -5905,6 +5905,13 @@ F: drivers/scsi/osd/
+@@ -5911,6 +5911,13 @@ F: drivers/scsi/osd/
F: include/scsi/osd_*
F: fs/exofs/
goto out;
--- a/fs/namespace.c
+++ b/fs/namespace.c
-@@ -1399,6 +1399,24 @@ void drop_collected_mounts(struct vfsmou
+@@ -1403,6 +1403,24 @@ void drop_collected_mounts(struct vfsmou
release_mounts(&umount_list);
}
+module_exit(ovl_exit);
--- a/fs/splice.c
+++ b/fs/splice.c
-@@ -1308,6 +1308,7 @@ long do_splice_direct(struct file *in, l
+@@ -1310,6 +1310,7 @@ long do_splice_direct(struct file *in, l
return ret;
}
static inline bool execute_ok(struct inode *inode)
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
-@@ -66,6 +66,9 @@ extern void mnt_pin(struct vfsmount *mnt
+@@ -68,6 +68,9 @@ extern void mnt_pin(struct vfsmount *mnt
extern void mnt_unpin(struct vfsmount *mnt);
extern int __mnt_is_readonly(struct vfsmount *mnt);