[CRIU] A problem of dirty tracking

[zhenghexin at live.com]

Hi
            I’m using CentOS7.7 with kernel version 5.3.11-1.el7.elrepo.x86_64.
            When I run command
criu check --all
I got a result typing
Warn  (criu/cr-check.c:850): Dirty tracking is OFF. Memory snapshot will not work.
This may not be fatal,but I need this feature in my work.So is there any way to solve this problem or turn on dirty tracking?
Thanks.



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