[CRIU] [PATCH] mm: don't dump the zero page

Cyrill Gorcunov gorcunov at gmail.com
Wed Jan 29 11:43:27 PST 2014


On Wed, Jan 29, 2014 at 11:36:19PM +0400, Andrey Vagin wrote:
> If someone reads untouched page, the kernel maps the zero page
> to this address. This page will not have the SOFT_DIRTY bit and it must
> not be dumped.
> 
> Signed-off-by: Andrey Vagin <avagin at openvz.org>
Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>



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