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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>