!763 DAMON features: Support for process-level hot and cold data recognition and adjustment.

Merge Pull Request from: @gesefudiao 
 
The higher version community DAMON features in rounds:

Removed the debugfs interface and enabled the sysfs interface.
Added the lru_sort module to achieve proactive adjustment of the system-level LRU list for physical address monitoring.
Support for online automation adjustment of DAMON strategies. 
 
Link:https://gitee.com/openeuler/kernel/pulls/763

 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>