memig: add memig-swap feature to openEuler

euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7RO5Q
Reference: https://gitee.com/openeuler/kernel/commit/8a655676e63680d2c02acf479f4cfaa923a5bdf9



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reason:This patch is used to add memig swap feature to openEuler system.
memig_swap.ko is used to transfer the address
passed in the user state for page migration

Signed-off-by: yanxiaodan <yanxiaodan@huawei.com>
Signed-off-by: linmiaohe <linmiaohe@huawei.com>
Signed-off-by: louhongxiang <louhongxiang@huawei.com>
Signed-off-by: liubo <liubo254@huawei.com>
Signed-off-by: geruijun <geruijun@huawei.com>
Signed-off-by: liangchenshu <liangchenshu@huawei.com>
Reviewed-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>