This reverts commit68046cc531which is commited914d48b6upstream. Commitb2b29d6d01(mm: account PMD tables like PTE tables) is introduced between v5.9 and v5.10, so this fix (commit002d8b395f) should NOT apply to any pre-5.10 branch. Signed-off-by: Huang Pei <huangpei@loongson.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>