memig: add memig-scan feature to openEuler

euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7RO5Q
Reference: https://gitee.com/openeuler/kernel/commit/c13e5b6a937c6865c461484b07530be3c31d3f92



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reason:This patch is used to add memig scan feature to openEuler system.
memig_scan.ko is used to scan the virtual address of the target process
and return the address access information to
the user mode for grading cold and hot pages.

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: yanxiaodan <yanxiaodan@huawei.com>
Signed-off-by: Feilong Lin <linfeilong@huawei.com>
Signed-off-by: geruijun <geruijun@huawei.com>
Signed-off-by: liubo <liubo254@huawei.com>
Reviewed-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>