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    SubjectRe: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous
    On Mon, Jun 06, 2011 at 02:40:25PM +0200, Andrea Arcangeli wrote:
    > On Mon, Jun 06, 2011 at 11:43:45AM +0100, Mel Gorman wrote:
    > > Maybe not full, but it has more PageReserved pages than anywhere else
    > > and few MIGRATE_MOVABLE blocks. MIGRATE_MOVABLE gets skipped during
    > > async compaction we could easily reach the end of the DMA zone quickly.
    > Debug data has nr_isolated_file in dma zone 1 and nr_isolated_file in
    > normal zone being -1.

    It's exactly match with Mel's case.
    Thanks for the proving, Andrea.

    Kind regards
    Minchan Kim

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