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

Stephen Rothwell
2022-02-09T04:07:58Z

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Hi all,

On Mon, 7 Feb 2022 15:06:21 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the folio tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> mm/page_vma_mapped.c: In function 'page_vma_mapped_walk':
> mm/page_vma_mapped.c:219:48: error: implicit declaration of function 'pmd_pfn'; did you mean 'pmd_off'? [-Werror=implicit-function-declaration]
> 219 | if (!check_pmd(pmd_pfn(pmde), pvmw))
> | ^~~~~~~
> | pmd_off
>
> Caused by commit
>
> 02ecfe9b9580 ("mm: Convert page_vma_mapped_walk to work on PFNs")
>
> Presumably you need to explicitly include <linux/pgtable.h>?
>
> I have used the folio tree from next-20220204 for today.

I am still getting this build failure.