[CRIU] [PATCH] cow01: try to read a page to take it from a swap

[Pavel Emelyanov]

On 03/20/2015 12:46 PM, Andrey Vagin wrote:
> Vladimir said that a page can be unmapped from one process, but can be
> mmaped in another one. In this case we can't understand whether both
> processes link to the same page or they don't.
> 
> So we can try read both pages to take them from swap.
> 
> Cc: Vladimir Davydov <vdavydov at parallels.com>
> Reported-by: Parallels' QA
> Signed-off-by: Andrey Vagin <avagin at openvz.org>

Applied, thanks.