Re: [criu] 1M guard page ruined restore

From: Oleg Nesterov
Date: Wed Jun 21 2017 - 13:31:39 EST


On 06/21, Dmitry Safonov wrote:
>
> The only question I have - how is it connected to guard page?

Because with stack guard page do_page_fault() almost never needs to
call expand_stack(), thus this check was almost never tested, I guess.
Probably it should go away now.

I'll write the changelog and patch tomorrow, unless someone does this
before.

Oleg.