Build breakage due to latest ARM fixes

[Russell King - ARM Linux]

On Fri, Aug 02, 2013 at 04:41:11PM -0700, Olof Johansson wrote:
> Russell,
> 
> Looks like you sent up some fixes to Linus that broke one of the atmel
> configs (CONFIG_MMU=n):
> 
> commit 48be69a026b2c1 ARM: move signal handlers into a vdso-like page
> 
> seems to have caused it:
> 
> arch/arm/kernel/signal.c: In function 'setup_return':
> arch/arm/kernel/signal.c:413:25: error: 'mm_context_t' has no member
> named 'sigpage'
> 
> I see it with at91x40_defconfig.

I'll look into that.  Obviously, I never build nommu because it isn't
part of the build system and the nommu platform I do have - OKI67001 -
doesn't have mainline kernel support.  (And if it did, it would not be
DT, so I doubt it's submittable.)