Hi Oleg,

On Fri, 17 Jul 2015 01:14:05 +0200 Oleg Nesterov <o...@redhat.com> wrote:
>
> fs/aio.c can't be compiled if CONFIG_MMU=n, filemap_page_mkwrite()
> is not defined in this case. Add yet another "must not be called"
> helper into nommu.c to make the linker happy.
> 
> I still think this is pointless, afaics sys_io_setup() simply can't
> succeed if CONFIG_MMU=n. Instead we should make CONFIG_AIO depend
> on CONFIG_MMU.
> 
> Reported-by: Fengguang Wu <fengguang...@intel.com>
> Reported-by: Stephen Rothwell <s...@canb.auug.org.au>
> Signed-off-by: Oleg Nesterov <o...@redhat.com>

Added as a fix to linux-next today.

-- 
Cheers,
Stephen Rothwell                    s...@canb.auug.org.au
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