Subject: Re: [PATCH] mm: Move p?d_alloc_track to separate header file

From: Andrew Morton <[email-masked]>
Date: Wed, 17 Jun 2020 18:12:26 -0700

On Tue,  9 Jun 2020 14:05:33 +0200 Joerg Roedel <[email-masked]> wrote:

> From: Joerg Roedel <[email-masked]>
> 
> The functions are only used in two source files, so there is no need
> for them to be in the global <linux/mm.h> header. Move them to the new
> <linux/pgalloc-track.h> header and include it only where needed.
> 
> ...
>
> new file mode 100644
> index 000000000000..1dcc865029a2
> --- /dev/null
> +++ b/include/linux/pgalloc-track.h
> @@ -0,0 +1,51 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _LINUX_PGALLLC_TRACK_H
> +#define _LINUX_PGALLLC_TRACK_H

hm, no #includes.  I guess this is OK, given the limited use.

But it does make one wonder whether ioremap.c should be moved from lib/
to mm/ and this file should be moved from include/linux/ to mm/.

Oh well.