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由 Johannes Weiner 提交于
Charge migration currently disables IRQs twice to update the charge statistics for the old page and then again for the new page. But migration is a seamless transition of a charge from one physical page to another one of the same size, so this should be a non-event from an accounting point of view. Leave the statistics alone. Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org> Acked-by: NMichal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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