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由 Michal Hocko 提交于
> The comment seems to have not much to do with the code? I guess the comment tries to say that the code path is triggered when we charge the page which happens _before_ it is added to the LRU list and so last_scanned_node might contain the stale data. Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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