On Tue, 2011-05-10 at 11:21 +0100, Mel Gorman wrote: > I really would like to hear if the fix makes a big difference or > if we need to consider forcing SLUB high-order allocations bailing > at the first sign of trouble (e.g. by masking out __GFP_WAIT in > allocate_slab). Even with the fix applied, kswapd might be waking up > less but processes will still be getting stalled in direct compaction > and direct reclaim so it would still be jittery. "the fix" being this https://lkml.org/lkml/2011/3/5/121 In addition to your GFP_KSWAPD one? OK, will retry with that. James -- 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>