mm: mem_reliable: Fix reliable page counter mismatch problem

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I77BDW


CVE: NA

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During copy_present_pte, rss counter is increased but the corresponding
reliable page counter is not updated. This will lead to reliable page
counter mismatch. Fix this by adding reliable page counter.

Fixes: d81e9624 ("proc: Count reliable memory usage of reliable tasks")

Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Nanyong Sun <sunnanyong@huawei.com>