mm/z3fold: remove unneeded page_mapcount_reset and ClearPagePrivate
Page->page_type and PagePrivate are not used in z3fold. We should remove
these confusing unneeded operations. The z3fold do these here is due to
referring to zsmalloc's migration code which does need these operations.
Link: https://lkml.kernel.org/r/20220308134311.59086-5-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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