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SubjectRe: [PATCH v18 15/32] mm/lru: move lock into lru_note_cost

在 2020/9/22 上午5:36, Hugh Dickins 写道:
>> We have to move lru_lock into lru_note_cost, since it cycle up on memcg
>> tree, for future per lruvec lru_lock replace. It's a bit ugly and may
>> cost a bit more locking, but benefit from multiple memcg locking could
>> cover the lost.
>> Signed-off-by: Alex Shi <>
> Acked-by: Hugh Dickins <>


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