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

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Date:   Sun, 19 Nov 2017 20:25:18 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the akpm-current tree

On Sun, Nov 19, 2017 at 5:57 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi Andrew,
>
> After merging the akpm-current tree, today's linux-next build (powerpc64
> allnoconfig) failed like this:
>
> In file included from arch/powerpc/include/asm/book3s/64/mmu
> -hash.h:24:0,
>                  from arch/powerpc/include/asm/book3s/64/mmu.h:30,
>                  from arch/powerpc/include/asm/mmu.h:305,
>                  from arch/powerpc/include/asm/lppaca.h:36,
>                  from arch/powerpc/include/asm/paca.h:21,
>                  from arch/powerpc/include/asm/current.h:16,
>                  from include/linux/sched.h:12,
>                  from arch/powerpc/kernel/asm-offsets.c:17:
> arch/powerpc/include/asm/book3s/64/pgtable.h:844:35: error: expected declaration specifiers or '...' before 'pud_pte'
>  #define pud_write(pud)  pte_write(pud_pte(pud))
>                                    ^
> include/asm-generic/pgtable.h:817:19: note: in expansion of macro 'pud_write'
>  static inline int pud_write(pud_t pud)
>                    ^
>
> Caused by commit
>
>   5292abe86ee6 ("mm: fix device-dax pud write-faults triggered by get_user_pages()")
>
> grep is your friend ... there may be more fixes needed.

Ugh, yes. Looks correct. I might have confused my build success
notifications from 0day. I'll spin out a new branch to make sure this
is the last of it.