On Mon, Aug 04, 2014 at 07:05:19PM +0200, Oleg Nesterov wrote:
> Hmm. This part looks fine, but with or without this patch this all is
> suboptimal, we do not need SAVE_ALL unless I missed something. Can't we
> simply kill preempt.S ?
> 
> Peter, what do you think?

HPA right, not me? I'm never sure on these details, if hpa thinks its
fine, I'm good.