On Tue, 13 Nov 2012, Andy Lutomirski wrote: > It just happened again. > > $ grep -E "compact_|thp_" /proc/vmstat > compact_blocks_moved 8332448774 > compact_pages_moved 21831286 > compact_pagemigrate_failed 211260 > compact_stall 13484 > compact_fail 6717 > compact_success 6755 > thp_fault_alloc 150665 > thp_fault_fallback 4270 > thp_collapse_alloc 19771 > thp_collapse_alloc_failed 2188 > thp_split 19600 > Two of the patches from the list provided at http://marc.info/?l=linux-mm&m=135179005510688 are already in your 3.6.3 kernel: mm: compaction: abort compaction loop if lock is contended or run too long mm: compaction: acquire the zone->lock as late as possible and all have not made it to the 3.6 stable kernel yet, so would it be possible to try with 3.7-rc5 to see if it fixes the issue? If so, it will indicate that the entire series is a candidate to backport to 3.6. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>