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Guo Ren authored
There is no present bit in csky pmd hardware, so we need to prepare invalid_pte_table for empty pmd entry and the functions (pmd_none & pmd_present) in pgtable.h need invalid_pte_talbe to get result. If a module use these functions, we need export the symbol for it. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Mo Qihui <qihui.mo@verisilicon.com> Cc: Zhange Jian <zhang_jian5@dahuatech.com>
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