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

Pavel Emelyanov xemul at parallels.com
Thu Jan 30 02:32:00 PST 2014


On 01/29/2014 11:43 PM, Cyrill Gorcunov wrote:
> 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>
> 
> .
> 


applied, thanks


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