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

[Cyrill Gorcunov]

On Thu, Jan 30, 2014 at 03:33:10PM +0400, Pavel Emelyanov wrote:
> On 01/30/2014 02:47 PM, Cyrill Gorcunov wrote:
> > On Thu, Jan 30, 2014 at 02:44:14PM +0400, Pavel Emelyanov wrote:
> >> Signed-off-by: Pavel Emelyanov <xemul at parallels.com>
> >> ---
> > 
> > Thanks!
> > Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>
> > 
> > .
> 
> Andrey?
> Note, that the PME_PRESENT check is no longer performed on zero-page-pfn.
> Presumably this is OK.

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 ;)