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    SubjectRe: [PATCH v2 2/8] mm/isolation: remove unstable check for isolated page
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    Joonsoo Kim <iamjoonsoo.kim@lge.com> writes:

    > The check '!PageBuddy(page) && page_count(page) == 0 &&
    > migratetype == MIGRATE_ISOLATE' would mean the page on free processing.
    > Although it could go into buddy allocator within a short time,
    > futher operation such as isolate_freepages_range() in CMA, called after
    > test_page_isolated_in_pageblock(), could be failed due to this unstability
    > since it requires that the page is on buddy. I think that removing
    > this unstability is good thing.

    Is that true in case of check_pages_isolated_cb ? Does that require
    PageBuddy to be true ?

    >
    > And, following patch makes isolated freepage has new status matched with
    > this condition and this check is the obstacle to that change. So remove
    > it.

    Can you quote the patch summary in the above case ? ie, something like

    And the followiing patch "mm/....." makes isolate freepage.


    -aneesh



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