Process private memory was dumped at this moment, but a memory
tracker isn't reseted, so we can't use a process memory here.

https://github.com/xemul/criu/issues/203

Cc: Eugene Batalov <eabatalov89@gmail.com>
Cc: Fyodor Bocharov <fbocharov@yandex.ru>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Fixes: 101e3ba49d08 ("mem: reset SOFT_DIRTY bits after dumping of all vmas in the process")
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>