[CRIU] [PATCH 07/10] vdso: Don't fail if pagemap is not accessbile

[Cyrill Gorcunov]

On Mon, Sep 28, 2015 at 10:22:25PM +0300, Pavel Emelyanov wrote:
> > 
> > Can you make some archaeology here? Which kernel disabled opening
> > of pagemap for non-root at all and which enabled it back with non-zero
> > PFN-s?
> 
> BTW, it looks like recent kernels just show flags here, the pfn part
> is filled with zeroes :\ So we have three eras here:
> 
> - kernel allowed everything
> - kernel didn't allow to open pagemap
> - kernel allowed to open pagemap, but showed zeros in pfns
> 
> Which kernels are these?

Will report once done.