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

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Message-ID: <20220209143804.33b5f08a@canb.auug.org.au>
Date:   Wed, 9 Feb 2022 14:38:04 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the folio tree

Hi all,

On Mon, 7 Feb 2022 15:06:21 +1100 Stephen Rothwell <sfr@...b.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.
-- 
Cheers,
Stephen Rothwell

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