On (03/07/16 17:08), Michal Hocko wrote: > On Mon 29-02-16 22:02:13, Michal Hocko wrote: > > Andrew, > > could you queue this one as well, please? This is more a band aid than a > > real solution which I will be working on as soon as I am able to > > reproduce the issue but the patch should help to some degree at least. > > Joonsoo wasn't very happy about this approach so let me try a different > way. What do you think about the following? Hugh, Sergey does it help > for your load? I have tested it with the Hugh's load and there was no > major difference from the previous testing so at least nothing has blown > up as I am not able to reproduce the issue here. > > Other changes in the compaction are still needed but I would like to not > depend on them right now. works fine for me. $ cat /proc/vmstat | egrep -e "compact|swap" pgsteal_kswapd_dma 7 pgsteal_kswapd_dma32 6457075 pgsteal_kswapd_normal 1462767 pgsteal_kswapd_movable 0 pgscan_kswapd_dma 18 pgscan_kswapd_dma32 6544126 pgscan_kswapd_normal 1495604 pgscan_kswapd_movable 0 kswapd_inodesteal 29 kswapd_low_wmark_hit_quickly 1168 kswapd_high_wmark_hit_quickly 1627 compact_migrate_scanned 5762793 compact_free_scanned 54090239 compact_isolated 1303895 compact_stall 1542 compact_fail 1117 compact_success 425 compact_kcompatd_wake 0 no OOM-kills after 6 rounds of tests. Tested-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> thanks! -ss -- 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>