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由 Fabian Frederick 提交于
count_history_pages does only call page_cache_prev_hole in rcu_lock context using address_space mapping. There's no need to have file_ra_state here. Signed-off-by: NFabian Frederick <fabf@skynet.be> Acked-by: NFengguang Wu <fengguang.wu@intel.com> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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