Revert "filemap: Correct the conditions for marking a folio as accessed"

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6YDHU


CVE: NA

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This reverts commit 939325bb.

Because this commit make a mistake to judge if the page is the same.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
(cherry picked from commit 728c0094)