> Hello,
> 
> This adds accessor methods for the `struct frame_info' field ->saved_regs.  Since get_frame_saved_regs() and frame_saved_regs_zalloc() are almost equivalent, I also eliminated the latter.
> 
> I'll look to commit in a few days,
> Andrew

Given the updated interface to `extra_info'.  I've revised (and 
seriously shrunk) this change down to the attached.

committed,
Andrew