[PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM

[Andi Kleen]

> 
> I thought we now had a gcc option for this. gcc documentation points to -Wstack-usage=XXX.
> This was first introduced on s390 in architecture specific gcc code, but should now work
> everywhere.

CONFIG_FRAME_WARN=...

Has been there forever for any architecture.

-Andi