[CRIU] [PATCH] pagemap: Factor out pfn retrieving for vdso and zero page

[Cyrill Gorcunov]

On Thu, Jan 30, 2014 at 03:38:21PM +0400, Cyrill Gorcunov wrote:
> 
> In init routine we "touch" zero page, os if it's not present it would
> be rather a kernel bug which I really think won't ever happen, otherwise
> the whole kernel would be ruined ;)

On the other hands, if there will be a strong memory pressure, can't this page go
to swap?