Subject: Re: linux-next: build failure after merge of the mm tree

From: Lorenzo Stoakes <[email-masked]>
Date: Wed, 24 Jul 2024 06:31:53 +0100

On Wed, Jul 24, 2024 at 08:49:02AM GMT, Stephen Rothwell wrote:
> Hi all,
>
> After merging the mm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> In file included from mm/vma.c:7:
> mm/vma_internal.h:46:10: fatal error: asm/page_types.h: No such file or directory
>    46 | #include <asm/page_types.h>
>       |          ^~~~~~~~~~~~~~~~~~
>

This was already fixed with a simple fix-patch that already landed in
mm-unstable. It seems unfortunate timing means that you didn't pull it.

> Caused by commit
>
>   b102945dd5b2 ("mm: move internal core VMA manipulation functions to own file")
>
> from the mm-unstable branch of the mm tree.
>
> asm/page_types.h only exists for x86 ...
>
> I have dropped the mm tree until the end of the merge window.
>

This seems a bit drastic. It's literally caused by 2 unncessary header includes
which are already fixed.

We really want to get some time in -next for this ideally.

> --
> Cheers,
> Stephen Rothwell