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    SubjectRe: [PATCH]: 1/4 batch mark_page_accessed()
    Nikita Danilov <nikita@clusterfs.com> wrote:
    >
    > Batch mark_page_accessed() (a la lru_cache_add() and lru_cache_add_active()):
    > page to be marked accessed is placed into per-cpu pagevec
    > (page_accessed_pvec). When pagevec is filled up, all pages are processed in a
    > batch.
    >
    > This is supposed to decrease contention on zone->lru_lock.

    Looks sane, althought it does add more atomic ops (the extra
    get_page/put_page). Some benchmarks would be nice to have.

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