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

Andrew Morton
2022-11-25T05:25:32Z

On Fri, 25 Nov 2022 12:10:51 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi all,
>
> After merging the mm-hotfixes tree, today's linux-next build (arm
> allmodconfig) failed like this:
>
> mm/vmscan.c:4090:9: error: implicit declaration of function ‘pmd_young’; did you mean ‘pte_young’? [-Werror=implicit-function-declaration]
>
> Caused by commit
>
> 3f85e711d5af ("mm: introduce arch_has_hw_nonleaf_pmd_young()")
>
> This error was found by the kernel.ci bot and so is still int today's
> tree.

Thanks. Did that tree include "mm: add dummy pmd_young() for
architectures not having it"?