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    SubjectRe: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages
    KOSAKI Motohiro wrote:

    > 1. reclaim 32 page from ZONE_HIGHMEM
    > 2. reclaim 32 page from ZONE_NORMAL
    > 3. reclaim 32 page from ZONE_DMA
    > 4. exit reclaim
    > 5. another task call page alloc and it cause try_to_free_pages()
    > 6. reclaim 32 page from ZONE_HIGHMEM
    > 7. reclaim 32 page from ZONE_NORMAL
    > 8. reclaim 32 page from ZONE_DMA

    >> - have direct reclaim tasks continue when priority == DEF_PRIORITY
    >
    > disagreed.
    > it cause above bad scenario, I think.

    I think I did not explain it clearly. Let me illustrate
    with a new patch. (one moment :))

    --
    All rights reversed.


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