On Tue, Nov 13, 2012 at 3:41 PM, David Rientjes <rientjes@xxxxxxxxxx> wrote: > 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. I'll try later on. The last time I tried to boot 3.7 on this box, it failed impressively (presumably due to a localmodconfig bug, but I haven't tracked it down yet). I'm also not sure how reliably I can reproduce this. --Andy -- Andy Lutomirski AMA Capital Management, LLC -- 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>