Messages in this thread | | | Date | Mon, 6 Jun 2011 14:40:25 +0200 | From | Andrea Arcangeli <> | Subject | Re: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous |
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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.
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