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

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Date:   Thu, 28 Jan 2021 18:09:07 +0000
From:   Will Deacon <will@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        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>,
        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'

On Thu, Jan 28, 2021 at 04:26:09PM +0100, Geert Uytterhoeven wrote:
> 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/

I'll go queue that now, cheers,

Will