euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4QPBH
CVE: NA

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Use PG_hotreplace flag to mark pin pages which need to be hotreplaced
to the recover process.
Signed-off-by: NJingxian He <hejingxian@huawei.com>
Reviewed-by: Kefeng Wang<wangkefeng.wang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>