Guo Ren 3e455cf5f3 csky: Fixup update_mmu_cache called with user io mapping ...

The function update_mmu_cache could be called by user-io mapping.
There is no space of struct page in mem_map for the pte. Just
ignore the user-io mmaping in update_mmu_cache.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>

2021-01-12 09:52:41 +08:00

1.9 KiB

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