linux-kernel - Re: [next] mm/nommu.c:1671:6: error: conflicting types for 'filemap_map

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Date:   Thu, 28 Jan 2021 16:26:09 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     linux-mm <linux-mm@...ck.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [next] mm/nommu.c:1671:6: error: conflicting types for 'filemap_map_pages'

Hi Naresh,

On Thu, Jan 28, 2021 at 3:25 PM Naresh Kamboju
<naresh.kamboju@...aro.org> wrote:
> arm, sh and riscv architecture build failed on today's Linux next tag 20210128.
>
> FYI,
> # CONFIG_MMU is not set on these failed configs.
> config file attached to this email.
>
> make --silent --keep-going --jobs=8 O=/home/tux  -
> build/.cache/tuxmake/builds/1/tmp ARCH=arm
> CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache
> arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc'
> mm/nommu.c:1671:6: error: conflicting types for 'filemap_map_pages'
>  1671 | void filemap_map_pages(struct vm_fault *vmf,
>       |      ^~~~~~~~~~~~~~~~~
> In file included from mm/nommu.c:20:
> include/linux/mm.h:2578:19: note: previous declaration of
> 'filemap_map_pages' was here
>  2578 | extern vm_fault_t filemap_map_pages(struct vm_fault *vmf,
>       |                   ^~~~~~~~~~~~~~~~~

Care to give "[PATCH -next] mm/nommu: Fix return type of
filemap_map_pages()" a try?
https://lore.kernel.org/lkml/20210128100626.2257638-1-geert@linux-m68k.org/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds